Chemicals used in industry; chemicals used in science; chemical preparations used in photography; chemicals used in agriculture; chemicals used in horticulture; chemicals used in forestry; artificial resins, unprocessed; unprocessed plastics; manures; fire extinguishing compositions; tempering preparations; soldering preparations; chemical preparations for preserving foodstuffs; tanning in the nature of enzymes for use in the tanning of leather or tanning substances, namely, oils for tanning ...