TECHNOLOGICAL MATERIALS, TOOLS AND WOOD

TECHNOLOGICAL MATERIALS, TOOLS AND WOOD

1. RAW MATERIAL

   • Are products extracted directly from nature
   • Animals
   • Plants
   • Mineral origin
   • Air
   • water

2. NATURAL AND PROCESSED MATERIALS

   • Raw materials + Industrial process
     • =
       • processed materials
         • synthetic
         • artificial
   • A technological product is an object made using materials, designed by humans to meet a specific need

3. PROPERTIES OF THE MATERIALS

   • Mechanical properties
     • Hardness
     • Material´s behabiour when subjected to stress and loads
     • Mechanical Resistance
     • Thougness
     • Brittleness
     • Elasticity
     • Plasticity
   • Thermal properties
     • How the materials behaves when subjeted to heat
     • Expansion
     • Thermal Conductivity
   • Environmental properties
     • Impact of the material on the environment
     • Toxicity
     • Environmental Hazard
     • Recycalbility
     • Biodegrability

4. TOOLS

   • Objects designed to carry out mechanical work and tasks

5. WOOD

   • Fibrous Material that trees are made of
     • Cellulose
     • ligning
   • Parts of the trunk
   • Types of Wood
     • Non Resinous
     • Resinous
   • Properties of Wood
     • Hardness
     • Thermal and Electrical insulation
     • Flexibility
     • Density
     • Resistance
   • Forms of wood
     • Natural Woods
     • Prefabricated wood
   • Woodworking Tools
     • Cutting Tools
       • Basic Hand saws
       • Machine Tools
       • Hacksaws
     • Impact Tools
       • Hammers
       • Mallets
     • Assembly Tools
       • Spanners
       • Screwdrivers
     • Shaving and drilling Tools
       • Planning and Levelling
       • Boring
       • Machine Tools
       • Smothing