Design Technology

Textiles
1. Fibres
  1. 3 stages of processing fibres
    1. SPINNING: Fibres are spun into yarn
      1. WEAVING OR KNITTING: Yarns become fabrics
        FINISHING: Fabrics are finished to make them more useful
  2. Types of fibres
    1. Synthetic fibres
      1. Nylon
      2. Acrylic
      3. Polyester
      4. Viscose
    2. Natural fibres
      1. Cotton
      2. Linen
      3. Wool
      4. Silk
Furniture
1. Tools & machines
  1. file
  2. Line bender
  3. Pillar drill
2. Designers
  1. https://docs.google.com/a/sharjahenglishschool.org/presentation/d/11xaqGs0uCtK-9NO10o7QpDijpAKb04m10jfZqr_0kRw/edit?usp=sharing
3. Anthropometrics & ergonomics
  1. http://www.technologystudent.com/despro_flsh/revise11.html
Structures
1. Forces
  1. Static: The object stays still
  2. Dynamic: The object moves all around the place
  3. different types of forces
    1. Tension: The object is pulled from both sides. ex. tug of war
    2. Torsion: the object twists on it self
    3. Bending: the object bends inwards or outwards
    4. Shear: The force comes from above and below, they rub against each other. ex. scissors
    5. Compression: forces are applied from the left and right squeezing the object, ex. springs
2. Shell structures
  1. Man-made
    1. Cans
    2. Cups
  2. Natural
    1. Animals with Exoskeletons: crabs
    2. Eggs
    3. Skull
3. Frame structures
  1. natural
    1. leaf
    2. skeleton
    3. spider web
  2. Man-made
    1. Pylons
    2. suspension bridge
    3. House
  3. What helps a house stand up

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