The manhole grille serves as a place for learning, repairing, and cleaning channels of debris settling and jamming during streaming. Manhole is often used on Private or Government Projects.
One of the Manhole cover functions is for Road Improvement, Building Project, Layang Bridge Project and others
For the term Manhole Cover Cast Iron is often called the manhole grill, manhole cover and control tub cover, be it the potholes, city parks, pedestrians and housing and other public places. The covered hole is called the manhole cover which consists of 2 pieces of components in one set ie the frame and the cap.
Sampe manhole cover made of cast iron with metal casting process, so cheap and strong in holding not easily broken or cracked. This manhole cover has varied weights ranging from 39 Kg and has a thickness of 1.0 cm or 1000mm
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