The shrinkage of ordinary concrete is about

For one cubic metre of brick masonry, the number of bricks required are

The shrinkage of concrete

The solvent used in cement paints is

The purpose of seasoning of timber is to

The size of mould for bricks should be

The workability of cement concrete can be improved by

Distemper is used on

When quarrying is to be done in hard stone and compact rocks, the usual method of quarrying is