Which of the following materials can be manufactured using polyester?
Name the form of polyester which is replacing materials like glass and used for making bottles and jars.
Out of the following materials :
Cotton, Nylon, Terylene, Wool, PET, Acrylic
(a) Which materials are polyesters?
(b) Which material is a polyamide ?
(c) Which material is used as a substitute for wool ?
(d) Which material is used as a substitue for glass ?