Chemicals used in industry, science, agriculture, horticulture and forestry (other than fungicides, herbicides, insecticides and parasiticides); manures; defoliants; chemical substances for preserving foodstuffs; seed preserving substances; plant growth regulating preparations; preparations for promoting the growth of plants; diagnostic preparations for scientific purposes in industry and agriculture (other than for medical and veterinary purposes); fertilisers; chemical additives for fertilisers and manures; wetting agents