Asbestos is a general name for several varieties of fibrous minerals which are available in…

Ashalt, bitumen and tar are referred as bituminous materials, which are essentially hydrocarbon materials.The asphalt is a…

There are variety of plastics made to suit different uses. The typical uses of plastics…

Plastic is an organic material prepared out of resin. It may or may not contain…

The glass may be broadly classified as: 1. Soda-lime glass  2. Potash lime glass 3.…

Silica is the main constituent of glass. But it is to be added with sodium…

It is a naturally available metal in the form of ores which contain small amount…

A ferrous material is the one in which iron is a main constituent. Iron ore…

The term ferro-cement implies the combination of ferrous product with cement. Generally this combination is in…