The frame serves as the support structure for the drainage cover, holding it securely in place. These frames ensure that the covers remain aligned and can withstand the traffic of vehicles and pedestrians, providing both safety and functionality. In many cases, frames are embedded into surfaces, like roadways or sidewalks, to create a seamless transition that minimizes tripping hazards.
The next time you navigate a bustling city street, take a moment to acknowledge the often-invisible heroes beneath your feet. Manhole covers, silently ensuring our health, safety, and comfort, deserve our respect and recognition.