A stair is a sequence of steps provided to afford the means of ascent and decent between the floors or landing. The apartment or room of a building in which the stair is located is known as…
An arch is a structure constructed to span across an opening. It generally consist of small wedge-shaped units which are jointed together with mortar. The important technical terms used in …
A
building is a man made structure with a roof and walls standing more or
less permanently in one place such as house or factory. Buildings are
classified in to two categories- (A). Based…