The stairs which are kept in motion by a revolving drum is known as a ___

The _______ formwork is used for formwork when it is desired to reuse the formwork several times.

___________ gives excellent exposed concrete surface requiring no further finishing treatment.

____________ has one end or both ends splayed in plan.

The temporary casing is known as the ______

Forms whose components can be reused several times are known as the ___

____________ consists of the reinforcement cement concrete and they have replaced practically all other materials for th…

____________ steps are in the form of trade and risers of thin stone slabs.