(Parts of an article or apparatus are, in general, classified with the actual article or apparatus, except where such parts constitute articles included in other classes).
Class 1. Chemical used in industry, science, photography, agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesive used in industry