Design Technology

Design Technology

1. Textiles

   • Fibres
     • 3 stages of processing fibres
       • SPINNING: Fibres are spun into yarn
         • WEAVING OR KNITTING: Yarns become fabrics
           • FINISHING: Fabrics are finished to make them more useful
     • Types of fibres
       • Synthetic fibres
         • Nylon
         • Acrylic
         • Polyester
         • Viscose
       • Natural fibres
         • Cotton
         • Linen
         • Wool
         • Silk

2. Furniture

   • Tools & machines
     • file
     • Line bender
     • Pillar drill
   • Designers
     • https://docs.google.com/a/sharjahenglishschool.org/presentation/d/11xaqGs0uCtK-9NO10o7QpDijpAKb04m10jfZqr_0kRw/edit?usp=sharing
   • Anthropometrics & ergonomics
     • http://www.technologystudent.com/despro_flsh/revise11.html

3. Structures

   • Forces
     • Static: The object stays still
     • Dynamic: The object moves all around the place
     • different types of forces
       • Tension: The object is pulled from both sides. ex. tug of war
       • Torsion: the object twists on it self
       • Bending: the object bends inwards or outwards
       • Shear: The force comes from above and below, they rub against each other. ex. scissors
       • Compression: forces are applied from the left and right squeezing the object, ex. springs
   • Shell structures
     • Man-made
       • Cans
       • Cups
     • Natural
       • Animals with Exoskeletons: crabs
       • Eggs
       • Skull
   • Frame structures
     • natural
       • leaf
       • skeleton
       • spider web
     • Man-made
       • Pylons
       • suspension bridge
       • House
     • What helps a house stand up

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