MATERIALS

MATERIALS

1. PROPERTIES OF MATERIALS

2. TECHNICAL MATERIALS

3. RAW MATERIALS

   • Are substances that we get directly from the nature,as for example...
     • DEPENDING ON ITS ORIGIN, RAW MATERIALS CAN BE CLASSIFIED IN THREE GROUPS:
     • MINERAL
       • SAND
       • IRON
       • CLAY
     • VEGETABLE
       • CORK
       • COTTON
       • WOOD
     • ANIMAL
       • SILK
       • FUR
       • WOOL

4. PROCESSED MATERIALS

5. FINISHED PRODUCTS

   • ARE OBJECTS CREATED BY HUMANS TO SATISFY A NEED OR TO IMPROVE THEIR QUALITY OF LIFE.
   • PROCESS

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