The external file escaped stairs are generally made of ___

__________ is the inner surface of Arch.

The forms are raised by the concrete is in a plastic state and such forms are therefore sometimes referred to as the ___…

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

The _____ formwork can be reused several time as compared to ordinary Timber formwork.

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

____________ is the clear vertical distance between the highest point on the intrados and springing line.

In _______ types of stairs, the steps radiate from the centre and they do not have either any landing or any intermediat…