UNPROCESSED ARTIFICIAL RESINS, NAMELY, POLYACETAL RESIN, POLYVINYLACETAL RESIN, POLYPROPYLENE RESIN, POLYBUTYLENE RESIN, POLYESTER RESIN, POLYAMIDE RESIN, ACRYLIC RESIN, EPOXY RESIN, POLYSULFONE RESIN, FOR USE IN MANUFACTURE IN THE ENGINEERING PLASTICS INDUSTRY