TECHNOLIGICAL MATERIALS: WOOD ANS METALS

TECHNOLIGICAL MATERIALS: WOOD ANS METALS

1. Raw materials, materials and producs

   • From nature, we obtain
     • Raw materials
       • and convert them into
         • Technoligical materials
           • Which are used to make
             • Technological producs

2. Technological materials

   • They are divided into
     • wood metals plastics stone ceramics textiles
       • Their properties are
         • Physical properties mechanical properties

3. Woods

   • They are obtained through
     • Felling debarking sawing drying
       • they are deivided into
         • Naturals derivatives
           • They have an
             • Envairomental impact

4. Metals

   • They are obtained through
     • ore gangue
       • They are divided into
         • Ferrous
           • They have an
             • Envairomental impact