Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering preparations and soldering chemicals; chemical substances for preserving food stuffs; tanning agents for use in the manufacture of leather; adhesives used in industry, in particular flocculating polymers and polyelectrolytes for waste water treatment; chemicals for the treatment of wa...