Chemicals, namely, polyamide, for use in the manufacture of engineering plastic products, for use in the manufacture of automotive products, for use in the manufacture of electrical products, for use in the manufacture of household appliance products, for use in the manufacture of furniture, for use in the manufacture of sporting goods, for use in the manufacture of leisure equipment; synthetic polyamide polyoxymethylene and polyethyleneterephtalate resins for use in the manufacture of plastics