Art

Plastic is material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects.Plasticity is the general

A metal  is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typically malleable (they can be

A ceramic is a solid material comprising an inorganic compound of metal, non-metal or metalloid atoms primarily held in ionicand covalent bonds. Common examples are earthenware, porcelain, and brick,More info:wiki Below are photos and

Ivory is a hard, white material from the tusks (traditionally elephants’) and teeth of animals, that can be used in art or manufacturing. It consists