A Stair turning through one right angle is known as a ___ stair.

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

______________ consists of Steel angles or rolled Steel joists.

Identify the type of Arch given below.

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

In Wood or Timber lintels, the depth of lintel should be about ______ to ______ of the span with the minimum value of 80…

The vertical or Front member of the step, which is connected to the treads, is known as a ______

The temporary casing is known as the ______