TECHNOLOGICAL MATERIALS: WOOD AND METALS

TECHNOLOGICAL MATERIALS: WOOD AND METALS

1. Woods

   • They are obtained trough
     • Felling, debarking, sawing, drying, finishing
       • They are divided into
         • Natural materials derivates
           • They have an
             • Enviromental impact

2. Raw materials, materials and products

   • For nature, we obtain
     • raw materials
       • And convert them into
         • Thecnological materials
           • Which are used to make
             • technological products

3. Tecnological materials

   • They are divided into
     • wood, metals, plastics, stone, ceramics, textiles
       • Their properties are
         • physical, chemical. mechanical and technologycal, enviromental

4. Metals

   • They are obtained trough
     • ore and gague
       • They are divided into
         • Ferrous and non ferrous
           • They have an
             • Envromental inpact