Which one of the following is used to make non-stick cookware?
(a) Poly-ethylene terephthalate
(b) Polytetrafluoroethylene
(c) urea and formaldehyde
(d) Polyethylene glycol.
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Which one of the following is used to make non-stick cookware?
(a) Poly-ethylene terephthalate
(b) Polytetrafluoroethylene
(c) urea and formaldehyde
(d) Polyethylene glycol.
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