Mapa mental
unit 3 (part 2)
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unit 3 (part 2)
A.the history of plastics:the plastics industry synthesises polymers,which are used to make a wide variety of different objects.
B1.monomers:are duplicated and joined together to form a large chain or networklike structure.
- B2.polymers:are formed from molecules called monomers.
C.types of plastics:polyethylene terephthalate (pet/pete),high-density polyethylene (HDPE),polyvinyl chloride (PVC), low-density polyethylene (LDPE), POLYPROPYLENE (PP),polystyrene(PS) and other plastics (PTFE;PC;PMMA)
D.plastic shaping techniques:extrusion,calendaring,injection,blow moulding,compression,vacuum forming,spin or rotation moulding.
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- Information Technology Mapa Mental sobre unit 3 (part 2), criado por Paula Godoy :) em 14-01-2020.
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- Paula Godoy :)
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