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Materials 1
Materials
| Materials | Examples |
|---|---|
| Raw materials of animal origin | wool, silk, hides, bones... |
| Raw materials of vegetable origin | cotton, wood, cork, linen, latex... |
| Raw material of mineral origin | marble, clay, iron, oil, natural gas... |
| Raw materials | Unprocessed substances in their natural state |
| Material | A processed raw material that is ready for making any type of product |
| Physical properties of material | electrical, thermal, optical, acoustic, magnetic, mechanical, density, porosity, permeability and impermeability. |
| Ecological properties of material | biodegradable materials, recyclable materials and toxic materials. |
| Chemical properties of materials | rusting or oxidation. |
| Manufactured goods | Products made by humans to help satisfy their needs and improve their standard of living. |
| Renewable raw materials | wool, cotton, wood |
| Non-renewable raw materials | coal, oil, minerals |