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

Identify the type of Arch given below.

____________ is the lower half portion of the arch between the crown and the skewback.

The pointed Arch of the Tudor period is an example of ______ arch.

In ________ arrangement, the treads and Risers of stones are provided is in case of timber steps.

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

In case of formwork for the floor, the ____ supports should be firmly supported at the bottom.

__________ is the inner surface of Arch.