_________ stairs have any geometrical shape and they require no newel posts.

A Stair turning through two right angles is known as a _____ stair.

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

___________ type of arch is constructed from ordinary un-cut bricks.

The temporary casing is known as the ______

_________ types of arches are constructed from bricks which are cut to a wedge shaped by means of an axe.

In the case of ____ the arrangement is made to show rectangular steps which contain Rebated joint.

The projecting course at the upper part of a Pier or an abutment to stress the springing line is called as the _______