Polymer Technology
Thermocole (expanded polystyrene) is not used for

Accoustic control and ceiling for building
Low temperature thermal insulation as in refrigerator and air conditioners
High temperature thermal insulation in furnaces
Packing of delicate electronic gadgets

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Polymer Technology
Dacron is a

None of these
Condensation polymerisation product of hexamethylene diamine and adipic acid
Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol
Thermosetting material

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