Chemicals used in industry, science and photography, excluding chemicals used for protein detection; synthetic sweeteners, prebiotic fiber used in the manufacture of nutritional products and dietary supplements; fructo-oligosaccharides, galacto- oligosaccharides, tagatose, and trehalulose used in the manufacture of nutritional products and dietary supplements; Chemical products for the fresh-keeping and preserving of food; manures, unprocessed plastics; fire extinguishing compositions; tannin...