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

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

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

Identify the type of Arch given below.

_________ stairs are light in weight, they are mostly used for residential buildings.

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

A _____ is a sloping surface and it is adopted as a substitute for stair for easy connection between the floors.

The inside surface of formwork should be ____ so as to turn out a good concrete surface.