construction


Stairs 411

stairs are means of descending or ascending from one floor level to another by a series of steps. PARTS OF A STAIR Riser – is the vertical face of a step Rise – vertical distance between to consecutive treads Tread – horizontal surface of the stair that is stepped on […]


construction plant 780

construction plant is a word meaning the machinery used in construction and civil engineering construction. This plantĀ  equipment include earth moving, construction and material moving equipment. MATERIAL MOVING EQUIPMENT crane – is a plant equipment with a wire rope, hoist and sheaves that can be used to transport, lift or […]