Polymer Technology
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is

Polyvinyl butyral
Polyvinyl alcohol
Polyvinyl acetale
PVC

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Polymer Technology
Identify the group in which all the polymers mentioned can be used to make fibres.

Cellulose derivatives, Polyisoprene, Polyethylene
Cellulose derivatives, Polyamides, Polyurathane
Butadiene copolymers, Polyamides, Urea aldehyde
Polypropylene, Poly vinyl chloride, Silicon

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