The distance between the surface bars and surface of concrete
AForm work
BCover
CBoth 1 and 2
DAll of the above
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A horizontal platform at the end of series of steps in a stair is:
The window fitted very close to the height of ceiling is called
__________ connects post and shutter in a door or window
What is the level below window called
The door which moves to and fro and closes automatically after opening is called