Flashcards

TECH

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Flashcards do conjunto (9)

1the classification of thermosoftening polymersthermosoftening polymers are soft they can be reshaped many times after heating E.G. candle wax
2classification of thermosetting polymersthey are harder, stronger and cannot be reshaped by heating E.G. a boiled egg or a cake
3types of polymers for thermosofteninghigh density polyethylene E.G. shopping bags and milk bottle
4types of polymers for thermosettingpolyester resins
E.G. surfboards and swimming pools
5type of polymers for thermosfteningpolystrene E.G. cd's and toys
6types of polymers for thermosettingepoxy resins E.G. used in biulding indutrusty
7what are the tools used for cutting polymerscoping saw, hack saw, scroll saw, the 5 types of files, strip heater, disc sander/bobbin sand and a drill
8FOODcarbohydrates, proteins, fats, vitamins, minerals, water and fibre
9what are the steps of hygiene?*wash your hands
*no smoking or coughing and sneezing near food
*wash and dry before storing plates bowls ect
*always look on the packets to see if they are out of date.