Gniess is obtained from

The usual percentages of clay and metal in cermet are :

The presence of original rounded surface on the manufactured piece of timber, is called

Asbestos cement

The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner, are kno…

Pig iron obtained from the furnance which is properly provided with fuel at a very high temperature, is called

Dry rot

A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than

Asbestos