The proportions of lime and sand in the mortar normally used in brick construction are

Number of bricks required for one cubic metre of brick masonry is

Bitumen felt is used for

Clay and silt content in a good brick earth must be at least

Chemically, marble is known as

For the manufacture of plywood, veneers are placed so that grains of adjacent veneers

Seasoning is

The variety of pig iron used for the manufacture of steel by Bessemer process, is

The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of …