Material
Materials are inputs to production or manufacturing. They are often raw - that is unprocessed, but are sometimes processed before being used in more advanced production processes. In general, in technologically advanced societies, the materials are not finished consumer goods.
Some important materials
- Metals, mining, metallurgy
- Petroleum, History of the Petroleum Industry
- gas
- coal
- rubber
- plastic
- ceramics
- glass
- cement
- stone
- salt
- paper
- lumber
- textiles
- leather
- bone
