Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry, except for fungicides, herbicides, insecticides, and parasiticides; chemical additives for use in the preparation of animal foodstuffs; chemical preparations for preserving the freshness of feedstuffs; chemical diagnostic reagents for industrial use, except for medical and veterinary use; chemical reagents for use in diagnostic tests, other than for medical or veterinary use; diagnostic ...