Synthetic resins; chemicals for use in industry and use in the decontamination of polluted sites; industrial natural minerals, namely, calcium chloride, calcium hydroxyde, diatoms, and synthetic minerals, namely, synthetic resins, biopolymers used in industry, agriculture, horticulture, fish farming, forestry, aquariums, swimming pools; soil fertilizers and potting composts; water purifying chemicals for open or confined waters, ponds, lakes, ground waters, rivers, seas, oceans, canals, swimm...