part A

    Cards (7)

    • Softwood
      • Comes from coniferous (evergreen) trees
      • Trees have needles rather than leaves
      • Is quick growing
      • Has seeds that are housed in cones
      • Is extensively used in joinery
      • Is generally less expensive than hardwood
      • Has generally poor resistance to decay
    • Softwood
      • Larch - reddish in colour with an open grain, good resistance to rot, used for garden fences and patio decking
      • Pine - yellow in colour with a contrasting darker grain, usually contains many knots, used for interior joinery and furniture
      • Spruce - creamy white in colour, close grain and lightweight, used for interior furniture and stringed musical instruments
    • Hardwood
      • Comes from deciduous trees, which lose their leaves in winter
      • Trees have broad leaves
      • Is slower growing than softwood
      • Has seeds that are housed in fruit
      • Is generally more expensive than softwood
      • Has generally good resistance to decay
    • Manufactured timber
      Classified into two groups: laminated boards and compressed boards
    • Laminated boards

      Several layers (veneers) of wood glued together
    • Compressed boards
      Particles, chips or flakes of wood glued together under pressure
    • Manufactured timber
      • Available in large sheets (2,440 mm by 1,220 mm)
      • Have consistent properties
      • Less likely to twist, warp or split
      • Some use recycled or low grade timber
      • Can be faced with a veneer to improve their aesthetic appearance
      • Can be faced with a polymer laminate to improve their working property
      • Suited to CNC machining
    See similar decks