TECHNOLOGICAL MATERIALS: WOOD AND METAL

TECHNOLOGICAL MATERIALS: WOOD AND METAL

1. Raw materials, materials and products

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

2. Technological materials

   • They are divided into
     • Wood Metals Plastics Stone Ceramics textiles
       • Their properties are
         • Physical Chemical Mechanical Environmental properties

3. Woods

   • They are obtaind through
     • Fellng Debarking Sawing Drying Finishing
       • They are divided into
         • Natural Derivatives Prefabricated
           • They have an
             • Environmental impact

4. Metals

   • They are obtained through
     • Mines Metalurllyc
       • They are didvided into
         • Ferrous and non-ferrous
           • They have an
             • Environmental impact