The cornerstone of the city, well cover silent contribution

As part of the city's transportation and drainage system, manhole covers are inconspicuous but play an important role in ensuring the normal operation of the city.

Manhole covers are mainly found on roads, sidewalks and other urban areas to cover drains and access ports. Not only do they prevent pedestrians or vehicles from falling into drains, but they also make it easier for city maintenance crews to access and maintain the sewer system. These "small iron covers" in urban infrastructure are ordinary, but they carry the peace of the city. In daily life, pedestrians pass by them, vehicles traveling on them, everything seems to be in order. Their existence makes the city roads flatter, providing a safer and more comfortable walking environment for the public.

In order to improve the safety and durability of manhole covers, some cities have started to adopt new materials and technologies. Not only that, some places also through the Internet technology on the cover of the remote monitoring, realize the cover of the state of real-time grasp, more efficient maintenance and management.

Although manhole covers are ordinary, it is because of their existence that cities can run so smoothly in the busy daily life.