_____________ arches can be constructed of the precast cement concrete blocks or Monolithic concrete.

__________ arches can be constructed in rubble masonry or ashlar masonry.

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

_________ is the vertical member which is fixed between string and handrail to give support to the handrail.

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

_________ lintels consist of pieces of timber which are placed across the opening.

_________ stairs are now commonly used in all types of construction and in case of a frame structure of reinforced concr…

At present, the lentils of _____ are widely used to span the openings for doors, windows, etc. in a structure.