TECHNOLOGICAL MATERIALS:WOOD AND METAL

TECHNOLOGICAL MATERIALS:WOOD AND METAL

1. Raw materials,materials and products

   • From nature, we obtain
     • Raw materials
       • and convert them into
         • Technological materials
           • wich are used to make
             • Technological products

2. Technological materials

   • There are divided into
     • Wood , Metals , Plastics, Stone,Ceramics, Textile
       • Their properties are
         • Physical, Chemical,Mechanical and technological, environmental

3. Wood

   • There are obtained through
     • Felling, Debarking, Sawing ,Drying, Finishing
       • There are divided into
         • Natural wood derivated
           • They have an
             • Environmental impact

4. Metals

   • They are obtained through
     • ore, gangue
       • There are divided into
         • Ferrous metallurgy
           • They have an
             • Enviromental impact