coating raw material manufacturers
For instance, the development of waterborne coatings, a shift from traditional solvent-based systems, is a testament to the industry's commitment to reducing environmental impact. These manufacturers also work on enhancing the durability and performance of coatings, ensuring they can withstand harsh conditions and extend the lifespan of the coated surfaces These manufacturers also work on enhancing the durability and performance of coatings, ensuring they can withstand harsh conditions and extend the lifespan of the coated surfaces
However, humans are not exposed to E171 in drinking water at any significant quantity over a long duration, so this potential effect is irrelevant to the human experience. It’s important to understand that a potential hazard is not the same thing as an actual risk.
The R996 grade is characterized by its high purity, excellent weather resistance, and outstanding tinting strength. These attributes make it a preferred choice for manufacturers seeking top-notch performance in their products. In the paint industry, R996 enhances color retention and durability, while in plastics, it improves the product's UV protection and overall aesthetics In the paint industry, R996 enhances color retention and durability, while in plastics, it improves the product's UV protection and overall aesthetics
In the paint industry, R996 enhances color retention and durability, while in plastics, it improves the product's UV protection and overall aesthetics In the paint industry, R996 enhances color retention and durability, while in plastics, it improves the product's UV protection and overall aesthetics
china titanium dioxide r996.
But what is titanium dioxide, exactly? Here's what you need to know about this popular food additive — including what products it's used in and whether it's safe to consume.
...
2025-08-15 02:44
2649
However, the China Lithopone B301 market is not without challenges. Environmental regulations, fluctuating raw material prices, and the ongoing global trade tensions have created uncertainties in the supply chain. Nevertheless, Chinese manufacturers have shown resilience by investing in R&D to improve product quality and efficiency, as well as exploring new markets to mitigate risks.
...
2025-08-15 02:38
194
There are many ways we’re exposed to titanium dioxide in our everyday life. Below are the most common ways we encounter titanium dioxide.
...
2025-08-15 02:30
1439
Insolube matter in water
...
2025-08-15 02:04
2170
According to the manufacturer feedback, mainstream factory new single pretty price, clinch a deal market as a whole center of gravity move up. Demand side, currently has consider autumn with cargo terminal and actual transaction will increase; The supply side, the mainstream manufacturers, there are some load increase, industry actual output increased slightly. Part of the plastic and paper related downstream feedback tight type price for some goods is higher. Recent titanium pigment raw material prices strong, titanium white price support also increases, the comprehensive market all factors, the current market to maintain a valence state of titanium white.
...
2025-08-15 01:59
2717
Safety[edit]
...
2025-08-15 01:40
533
- The 6807 bearing is a commonly used ball bearing that offers high precision and reliability in various applications. This article aims to provide a comprehensive guide to the dimensions of the 6807 bearing, including its inner diameter, outer diameter, width, and other critical specifications. Understanding these dimensions is essential for selecting the right bearing for your specific needs and ensuring optimal performance.
- One of the most impressive features of the 6209 bearing is its sealing technology. It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss
It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss
6209 bearing. This not only extends the lifespan of the bearing but also enhances its reliability in environments where cleanliness and maintenance are crucial. - One of the key advantages of the 32014 bearing is its ease of maintenance. The bearing's design allows for easy inspection and replacement of individual components, reducing downtime and maintenance costs. Additionally, the use of high-quality materials ensures that the bearing has a long service life, further reducing maintenance requirements.
- The Unparalleled Performance of 33112 Bearing A Comprehensive Guide
- The 607ZZ bearing consists of two rings (inner and outer) and a set of balls that rotate between them. The inner ring has a concave raceway, while the outer ring has a convex raceway. This design allows the balls to roll smoothly and distribute the load evenly across the bearing surface. The balls are held in place by a cage, which prevents them from colliding with each other and ensures that they maintain their proper spacing.
- * Environmental conditions Choose a bearing material and lubrication system that can withstand the operating environment, including temperature, humidity, and contamination levels.
- Cylindrical Roller Bearings: Cylindrical roller bearings are not designed to accommodate misalignment to the same extent as spherical roller bearings. They are primarily intended for applications where precise shaft positioning and minimal deflection are critical.
- When selecting a 6003z bearing for a specific application, it is important to consider not only the dimensions but also the load capacity, speed rating, and other technical specifications. By choosing the right bearing for the job, you can ensure smooth operation and long-lasting performance.
- In addition to these functional advantages, tapered roller bearings also offer benefits in terms of maintenance and cost-effectiveness. Their replaceable components, including the cones, cups, and rollers, allow for partial replacements instead of the entire bearing, reducing downtime and overall maintenance costs.
- One of the key advantages of thrust ball bearings is their simplicity. With fewer components compared to other bearing types, they are relatively easy to install and maintain With fewer components compared to other bearing types, they are relatively easy to install and maintain
With fewer components compared to other bearing types, they are relatively easy to install and maintain With fewer components compared to other bearing types, they are relatively easy to install and maintain
what is a thrust ball bearing. However, it's important to note that they are not suitable for applications involving radial loads, as they would wear out quickly under such conditions. For these scenarios, radial ball bearings or roller bearings would be more appropriate. - However, the true potential of the NU 316 bearing lies in its maintenance and service life. With proper lubrication and regular inspection, these bearings can function reliably for extended periods, reducing the need for frequent replacements and thus, lowering operational costs.
- Benefits and Applications
- In the automotive industry, 6210 ball bearings can be found in engine components like alternators and water pumps, ensuring smooth rotations and minimizing wear. In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment
In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment
6210 ball bearing. They also find their way into household appliances such as washing machines and fans, ensuring noiseless and efficient functioning. - Lubrication: Apply the appropriate type and amount of lubricant to the bearing to ensure smooth operation and reduce friction. Proper lubrication is essential for maximizing the bearing's service life and performance.
- 2. Pumps Flanged tapered roller bearings are used in pumps to ensure smooth operation and reduce wear on the pump components.
- 、
- Application-wise, the 6206zz bearing is a popular choice for small to medium-sized motors found in appliances such as vacuum cleaners, washing machines, and HVAC systems. Its compact size and robust design make it ideal for these applications where space is limited, yet reliability and longevity are paramount.
- The RS in the name refers to ' Rubber Sealed,' which is a critical feature in maintaining the integrity of the lubricant within the bearing

- One of the key advantages of deep groove bearings is their ability to accommodate both radial and axial loads. The deep raceway ensures that the balls or rollers are evenly distributed, which helps to distribute the load across the entire bearing surface. This results in reduced wear and longer bearing life, making deep groove bearings a popular choice for a wide range of industrial applications.
- The Legacy of Bearing 627 ZZ
- Thrust angular contact ball bearings are available in different designs, including single row, double row, and four-point contact
- Applications for four-row tapered roller bearings include gearboxes, axles, transmissions, and various types of machinery where large radial and axial loads need to be supported. They are commonly used in heavy equipment such as cranes, earthmoving machinery, and mining equipment. Their robustness and ability to manage high loads make them indispensable components in these environments.
- Bearing, NJ, is known for its annual cultural events that bring the community together
bearing nj 206. The Bearing Seafood Festival, held every summer, features fresh local seafood, live music, and a variety of family-friendly activities. The Bearing Winter Festival, held in February, celebrates the winter season with a parade, ice sculpting, and a community bonfire. - The versatility of the 33113X2 bearing makes it suitable for a wide range of applications across various industries. It is commonly used in heavy-duty machinery, such as conveyor systems, crushers, and pumps, where it supports heavy loads and withstands harsh operating conditions. In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
33113x2 bearing. - Maintenance of combine harvester bearings is equally important. Regular checks for signs of damage or excessive play can prevent unexpected failures during critical harvesting periods. Proper cleaning and lubrication schedules should be followed to avoid contamination and premature degradation. In addition, periodic replacement based on usage and manufacturers' recommendations ensures that the combine operates at peak performance.
- The versatility of the 33113X2 bearing makes it suitable for a wide range of applications across various industries. It is commonly used in heavy-duty machinery, such as conveyor systems, crushers, and pumps, where it supports heavy loads and withstands harsh operating conditions. In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
33113x2 bearing. - On the other hand, larger taper roller bearings are used in heavy-duty applications such as industrial machinery, construction equipment, and agricultural machinery. These bearings are designed to withstand high loads and harsh operating conditions, making them suitable for demanding applications.
- Moreover, in wind turbines, these bearings are used in the main shaft and gearboxes, supporting the massive rotating masses and resisting high thrust loads caused by wind forces.
- The 6002RS bearing is also known for its ability to handle heavy loads
- In conclusion, the 22211K bearing is an essential component in many industries, providing reliable and efficient performance in a wide range of applications. Its self-aligning capability, durability, and ability to operate at high speeds make it a valuable asset for companies looking to improve the performance and longevity of their machinery and equipment.
- In addition to load-bearing, these bearings also exhibit excellent running accuracy, low noise levels, and high speed capabilities

- In conclusion, the 33112 bearing is a superior product that offers numerous benefits for industrial applications. Its high load capacity, enhanced durability, low friction, precision alignment, and wide range of applications make it an invaluable asset to any business. By choosing the 33112 bearing, companies can enjoy increased efficiency, reduced maintenance costs, improved safety, and environmental sustainability.
- Furthermore, the automotive industry, which is one of the largest consumers of bearings, will also experience a ripple effect. Higher bearing prices can lead to increased vehicle manufacturing costs, ultimately resulting in higher prices for consumers. This could potentially dampen demand and negatively impact sales figures across various segments of the automotive market.
- The 51118 bearing is a single direction thrust bearing, meaning that it can only support axial loads in one direction. This makes it ideal for applications where there is a need to support heavy loads in a specific direction, such as in gearboxes, transmissions, and axles.
- 1. Inspect the bearing for any signs of wear, damage, or contamination.
- Magnetic Bearings Theory Design and Application to Rotating Machinery
- The outer diameter of the 6314 bearing is typically 150mm, and the width stands at 35mm. These dimensions make it suitable for medium-sized load-bearing applications where space constraints are not a major concern. The deep groove in the bearing allows for the even distribution of radial and axial loads, providing excellent stability and durability.
- Angular contact ball bearings are designed to provide high-speed performance and are available in both open and sealed designs. The open design allows for easier lubrication and maintenance, while the sealed design provides protection against contamination and prolongs the bearing's life.
- One of the primary benefits of tapered wheels is their ability to enhance stability. The differential in width between the hub and rim creates a wider contact patch with the ground, providing better traction and control, especially in situations demanding high torque or sudden directional changes. This is particularly crucial in heavy-duty vehicles like trucks and trains, where load-bearing capacity and resistance against slippage are paramount.
- Introduction
- When it comes to axial load capacity, deep groove bearings are available in various sizes and configurations to meet the specific requirements of different applications

- To prevent contaminants from entering the bearing and extending its service life, sealing solutions are often employed. The 6216 bearing can be fitted with various seals, including contact seals and non-contact seals, depending on the specific requirements of the application. Contact seals provide effective protection against particulate contamination, while non-contact seals minimize friction and heat generation.
- Finally, taper roller bearings are relatively easy to maintain and repair. They can be disassembled and reassembled with relative ease, which makes it simple to replace worn or damaged components. This can help to minimize downtime and reduce maintenance costs over the long term.
- Needle Roller Bearings: Needle roller bearings are commonly used in applications where space is limited, and high radial load-carrying capacity is essential. They are often found in automotive, aerospace, and industrial applications where compact and lightweight bearing solutions are required.
- In conclusion, cylindrical roller bearings are versatile and robust components that excel in handling high radial loads in demanding industrial settings. Their design, characterized by cylindrical roller elements, ensures efficient load distribution, low friction, and extended service life. However, they necessitate careful consideration during selection, installation, and maintenance to ensure optimal performance and reliability. As technology continues to advance, cylindrical roller bearings remain a staple in industries ranging from automotive to aerospace, testament to their proven effectiveness and efficiency.
- The 6006 RS bearing requires regular lubrication to maintain its optimal performance and longevity. We recommend using a high-quality grease with a suitable viscosity for your specific application. It is essential to avoid over-lubrication, as this can lead to excessive heat generation and bearing damage.
However, the China Lithopone B301 market is not without challenges. Environmental regulations, fluctuating raw material prices, and the ongoing global trade tensions have created uncertainties in the supply chain. Nevertheless, Chinese manufacturers have shown resilience by investing in R&D to improve product quality and efficiency, as well as exploring new markets to mitigate risks.
There are many ways we’re exposed to titanium dioxide in our everyday life. Below are the most common ways we encounter titanium dioxide.
Insolube matter in water
According to the manufacturer feedback, mainstream factory new single pretty price, clinch a deal market as a whole center of gravity move up. Demand side, currently has consider autumn with cargo terminal and actual transaction will increase; The supply side, the mainstream manufacturers, there are some load increase, industry actual output increased slightly. Part of the plastic and paper related downstream feedback tight type price for some goods is higher. Recent titanium pigment raw material prices strong, titanium white price support also increases, the comprehensive market all factors, the current market to maintain a valence state of titanium white.
Safety[edit]
- The 6807 bearing is a commonly used ball bearing that offers high precision and reliability in various applications. This article aims to provide a comprehensive guide to the dimensions of the 6807 bearing, including its inner diameter, outer diameter, width, and other critical specifications. Understanding these dimensions is essential for selecting the right bearing for your specific needs and ensuring optimal performance.
- One of the most impressive features of the 6209 bearing is its sealing technology. It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss
It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss It utilizes a contact seal on both sides of the bearing to protect against contamination and lubricant loss
6209 bearing. This not only extends the lifespan of the bearing but also enhances its reliability in environments where cleanliness and maintenance are crucial.
- One of the key advantages of the 32014 bearing is its ease of maintenance. The bearing's design allows for easy inspection and replacement of individual components, reducing downtime and maintenance costs. Additionally, the use of high-quality materials ensures that the bearing has a long service life, further reducing maintenance requirements.
- The Unparalleled Performance of 33112 Bearing A Comprehensive Guide
- The 607ZZ bearing consists of two rings (inner and outer) and a set of balls that rotate between them. The inner ring has a concave raceway, while the outer ring has a convex raceway. This design allows the balls to roll smoothly and distribute the load evenly across the bearing surface. The balls are held in place by a cage, which prevents them from colliding with each other and ensures that they maintain their proper spacing.
- * Environmental conditions Choose a bearing material and lubrication system that can withstand the operating environment, including temperature, humidity, and contamination levels.
- Cylindrical Roller Bearings: Cylindrical roller bearings are not designed to accommodate misalignment to the same extent as spherical roller bearings. They are primarily intended for applications where precise shaft positioning and minimal deflection are critical.
- When selecting a 6003z bearing for a specific application, it is important to consider not only the dimensions but also the load capacity, speed rating, and other technical specifications. By choosing the right bearing for the job, you can ensure smooth operation and long-lasting performance.
- In addition to these functional advantages, tapered roller bearings also offer benefits in terms of maintenance and cost-effectiveness. Their replaceable components, including the cones, cups, and rollers, allow for partial replacements instead of the entire bearing, reducing downtime and overall maintenance costs.
- One of the key advantages of thrust ball bearings is their simplicity. With fewer components compared to other bearing types, they are relatively easy to install and maintain With fewer components compared to other bearing types, they are relatively easy to install and maintain
With fewer components compared to other bearing types, they are relatively easy to install and maintain With fewer components compared to other bearing types, they are relatively easy to install and maintain
what is a thrust ball bearing. However, it's important to note that they are not suitable for applications involving radial loads, as they would wear out quickly under such conditions. For these scenarios, radial ball bearings or roller bearings would be more appropriate.
- However, the true potential of the NU 316 bearing lies in its maintenance and service life. With proper lubrication and regular inspection, these bearings can function reliably for extended periods, reducing the need for frequent replacements and thus, lowering operational costs.
- Benefits and Applications
- In the automotive industry, 6210 ball bearings can be found in engine components like alternators and water pumps, ensuring smooth rotations and minimizing wear. In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment
In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment In industrial machinery, they are used in conveyor systems, reducing friction and increasing the longevity of the equipment
6210 ball bearing. They also find their way into household appliances such as washing machines and fans, ensuring noiseless and efficient functioning.
- Lubrication: Apply the appropriate type and amount of lubricant to the bearing to ensure smooth operation and reduce friction. Proper lubrication is essential for maximizing the bearing's service life and performance.
- 2. Pumps Flanged tapered roller bearings are used in pumps to ensure smooth operation and reduce wear on the pump components.
- 、
- Application-wise, the 6206zz bearing is a popular choice for small to medium-sized motors found in appliances such as vacuum cleaners, washing machines, and HVAC systems. Its compact size and robust design make it ideal for these applications where space is limited, yet reliability and longevity are paramount.
- The RS in the name refers to ' Rubber Sealed,' which is a critical feature in maintaining the integrity of the lubricant within the bearing
- One of the key advantages of deep groove bearings is their ability to accommodate both radial and axial loads. The deep raceway ensures that the balls or rollers are evenly distributed, which helps to distribute the load across the entire bearing surface. This results in reduced wear and longer bearing life, making deep groove bearings a popular choice for a wide range of industrial applications.
- The Legacy of Bearing 627 ZZ
- Thrust angular contact ball bearings are available in different designs, including single row, double row, and four-point contact
- Applications for four-row tapered roller bearings include gearboxes, axles, transmissions, and various types of machinery where large radial and axial loads need to be supported. They are commonly used in heavy equipment such as cranes, earthmoving machinery, and mining equipment. Their robustness and ability to manage high loads make them indispensable components in these environments.
- Bearing, NJ, is known for its annual cultural events that bring the community together
bearing nj 206. The Bearing Seafood Festival, held every summer, features fresh local seafood, live music, and a variety of family-friendly activities. The Bearing Winter Festival, held in February, celebrates the winter season with a parade, ice sculpting, and a community bonfire.
- The versatility of the 33113X2 bearing makes it suitable for a wide range of applications across various industries. It is commonly used in heavy-duty machinery, such as conveyor systems, crushers, and pumps, where it supports heavy loads and withstands harsh operating conditions. In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
33113x2 bearing.
- Maintenance of combine harvester bearings is equally important. Regular checks for signs of damage or excessive play can prevent unexpected failures during critical harvesting periods. Proper cleaning and lubrication schedules should be followed to avoid contamination and premature degradation. In addition, periodic replacement based on usage and manufacturers' recommendations ensures that the combine operates at peak performance.
- The versatility of the 33113X2 bearing makes it suitable for a wide range of applications across various industries. It is commonly used in heavy-duty machinery, such as conveyor systems, crushers, and pumps, where it supports heavy loads and withstands harsh operating conditions. In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount In addition, it is also used in automotive and aerospace industries, where precision and reliability are paramount
33113x2 bearing.
- On the other hand, larger taper roller bearings are used in heavy-duty applications such as industrial machinery, construction equipment, and agricultural machinery. These bearings are designed to withstand high loads and harsh operating conditions, making them suitable for demanding applications.
- Moreover, in wind turbines, these bearings are used in the main shaft and gearboxes, supporting the massive rotating masses and resisting high thrust loads caused by wind forces.
- The 6002RS bearing is also known for its ability to handle heavy loads
- In conclusion, the 22211K bearing is an essential component in many industries, providing reliable and efficient performance in a wide range of applications. Its self-aligning capability, durability, and ability to operate at high speeds make it a valuable asset for companies looking to improve the performance and longevity of their machinery and equipment.
- In addition to load-bearing, these bearings also exhibit excellent running accuracy, low noise levels, and high speed capabilities
- In conclusion, the 33112 bearing is a superior product that offers numerous benefits for industrial applications. Its high load capacity, enhanced durability, low friction, precision alignment, and wide range of applications make it an invaluable asset to any business. By choosing the 33112 bearing, companies can enjoy increased efficiency, reduced maintenance costs, improved safety, and environmental sustainability.
- Furthermore, the automotive industry, which is one of the largest consumers of bearings, will also experience a ripple effect. Higher bearing prices can lead to increased vehicle manufacturing costs, ultimately resulting in higher prices for consumers. This could potentially dampen demand and negatively impact sales figures across various segments of the automotive market.
- The 51118 bearing is a single direction thrust bearing, meaning that it can only support axial loads in one direction. This makes it ideal for applications where there is a need to support heavy loads in a specific direction, such as in gearboxes, transmissions, and axles.
- 1. Inspect the bearing for any signs of wear, damage, or contamination.
- Magnetic Bearings Theory Design and Application to Rotating Machinery
- The outer diameter of the 6314 bearing is typically 150mm, and the width stands at 35mm. These dimensions make it suitable for medium-sized load-bearing applications where space constraints are not a major concern. The deep groove in the bearing allows for the even distribution of radial and axial loads, providing excellent stability and durability.
- Angular contact ball bearings are designed to provide high-speed performance and are available in both open and sealed designs. The open design allows for easier lubrication and maintenance, while the sealed design provides protection against contamination and prolongs the bearing's life.
- One of the primary benefits of tapered wheels is their ability to enhance stability. The differential in width between the hub and rim creates a wider contact patch with the ground, providing better traction and control, especially in situations demanding high torque or sudden directional changes. This is particularly crucial in heavy-duty vehicles like trucks and trains, where load-bearing capacity and resistance against slippage are paramount.
- Introduction
- When it comes to axial load capacity, deep groove bearings are available in various sizes and configurations to meet the specific requirements of different applications
- To prevent contaminants from entering the bearing and extending its service life, sealing solutions are often employed. The 6216 bearing can be fitted with various seals, including contact seals and non-contact seals, depending on the specific requirements of the application. Contact seals provide effective protection against particulate contamination, while non-contact seals minimize friction and heat generation.
- Finally, taper roller bearings are relatively easy to maintain and repair. They can be disassembled and reassembled with relative ease, which makes it simple to replace worn or damaged components. This can help to minimize downtime and reduce maintenance costs over the long term.
- Needle Roller Bearings: Needle roller bearings are commonly used in applications where space is limited, and high radial load-carrying capacity is essential. They are often found in automotive, aerospace, and industrial applications where compact and lightweight bearing solutions are required.
- In conclusion, cylindrical roller bearings are versatile and robust components that excel in handling high radial loads in demanding industrial settings. Their design, characterized by cylindrical roller elements, ensures efficient load distribution, low friction, and extended service life. However, they necessitate careful consideration during selection, installation, and maintenance to ensure optimal performance and reliability. As technology continues to advance, cylindrical roller bearings remain a staple in industries ranging from automotive to aerospace, testament to their proven effectiveness and efficiency.
- The 6006 RS bearing requires regular lubrication to maintain its optimal performance and longevity. We recommend using a high-quality grease with a suitable viscosity for your specific application. It is essential to avoid over-lubrication, as this can lead to excessive heat generation and bearing damage.