In case of ___ stair, there is a well or hole or opening between the flights in the plan.

The formwork for an _______ consists of rows of the vertical post which carry small wooden beams at their tops.

_________ stairs are now commonly used in all types of construction and in case of a frame structure of reinforced concr…

____________ consists of the reinforcement cement concrete and they have replaced practically all other materials for th…

An _______ is a structure which is constructed to span across an opening.

_________ lintels consist of pieces of timber which are placed across the opening.

When form work is required for small ones requiring less repetitions, the ____ is preferred to Steel.

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