1 Unprocessed synthetic resins for use in further manufacture, namely, alpha methylstyrene-styrene acrylonitrile resins, polybutylene terephthalate, polyethylene terephthalate, styrene acrylonitrile copolymer, acrylonitrile butadiene styreneterpolymer, polypropylene, polyethylene, polystyrene, polyvinyl chloride, polycarbonate, polymethylmethacrylate and polyamide