unit 1 and 2- project

unit 1 and 2- project

1. raw materiales

   • animal origin
   • plants orgin
   • mineral origin

2. natural and procesed materials

   • artificial
   • synthetic

3. the properties of material

   • hardness
   • mechanical resistance
   • toughness
   • brittleness
   • elasticity
   • plasticity

4. tools

   • support tools
   • impact tols
   • marking toolls
   • measuremet tools
   • cutting and levelling tools
   • assembly tools

5. tools

   • heart woods
   • pith
   • bark
   • cambium
   • growth rings
   • sapwod

6. wood and tiypes of wood

   • resinous
   • resinous

7. propererties of wood

   • toughness
   • densility
   • hardness
   • hygroscopicity
   • flexibily

8. diferentes types

   • stripes
   • mouldings or profiles
   • boards and planks
   • beams
   • panels
   • shets or veneers

9. woodworking tools

   • basic hand saws
   • hacksaws
   • machine tools
   • hammers
   • mallets
   • spanner
   • screwdrivers