The timber whose thickness is less than 5 cm and the width exceeds 12 cm, is called a

The thinner used for oil paints is

The dolomite bricks are

A first class brick should have a minimum crushing strength of

The purpose of seasoning of timber is to

According to Indian standard specifications, the concrete should be cured under a humidity of

The rocks formed due to alteration of original structure under heat and excessive pressure are called metamorphic rocks.

Jhama bricks are

The final setting time of ordinary cement should not be more than