A heavy stone is suitable for

Plastics are compounds of carbon with element

Veneering means

Which of the following trees yields hard wood?

With increase in moisture content, the bulking of sand

The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted …

Pick up the correct statement from the following:

The most important tool in brick laying for lifting and spreading mortar and for forming joints is

Seasoning of timber is done for