TECHNOLOGY

TECHNOLOGY

1. ·

   • TECHNOLOGICAL MATERIALS AND THEIR ENVIRONMENTAL IMPACT
     • materials
       • raw material
       • natural material
       • proceseed material
       • • woods
         • metals
         • plastics
         • textiles
         • construction materials
     • choosing materials
       • sensory properties
         • transparency
         • bringhtness
         • texture
         • feel
         • colour
       • physical properties
         • conductors
           • sound conductors
           • electrical conductors
           • thermal conductors
         • insulators
           • elecrical insulators
           • sound insulator
           • thermal insulators
       • mechanical properties
         • hard
         • tough
         • elastic
         • malleable
         • soft
         • brittle
         • plastic
         • ductile
     • wood
       • how we obtain wood
         • 1felling
           • 2 debarking
             • 3 transport to the sawmill
               • 4 sawing for end use
                 • 5 drying
                   • 6 cleaning,planing and sanding
                     • 7 treatments and finishes
       • wood products
         • plywood
         • chipboard
         • paper
         • cardboard
         • cork
       • types of wood
         • softwoods
         • hardwoods
     • metals
       • classifying metals
         • non-ferrous metals
           • copper
           • tin
           • aluminium
           • zinc
         • ferrous metals
           • iron
           • steel
           • cast iron