Lithopone or sulphide of zinc white has been in general use for twenty years or more in many industries where a white pigment of considerable body or hiding power is required that is not subject to change like lead carbonate and has not the brittle character of zinc oxide, besides being sold at a lower figure than either of these. Nevertheless it is still comparatively new to the general painting trade. Because of our tariff protection its manufacture in this country has made great progress. Yet in spite of this and the duty imposed on it, the imports are still in excess of the quantity manufactured here. A short history of its origin will no doubt prove of interest to our readers.
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2025-08-14 16:55
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It is used as guarding mesh to prevent accidents caused by falling objects or flying debris It is used as guarding mesh to prevent accidents caused by falling objects or flying debris
By elevating your plants off the ground, you can reduce the risk of disease and pests, as these issues are often more common in soil that is in contact with the plant's stem By elevating your plants off the ground, you can reduce the risk of disease and pests, as these issues are often more common in soil that is in contact with the plant's stem
We should respect everyone's privacy and dignity, and comply with relevant internet behavior norms We should respect everyone's privacy and dignity, and comply with relevant internet behavior norms
They are commonly used in fencing, window guards, and security doors due to their ability to deter intrusion while maintaining visibility They are commonly used in fencing, window guards, and security doors due to their ability to deter intrusion while maintaining visibility