[Class : 1] Chemical Fertilizers; Antifreeze Chemicals; Agricultural Chemicals; Industrial Chemicals; Chromatography Chemicals; Photographic Chemicals; Aromatics [Chemicals]; Soldering Chemicals; Acetates [Chemicals]; Non Chemical Biofertilizers; Active Chemical Ingredients; Chemical Absorption Agents; Non Chemical Biofertilisers; Food Chemical Preservatives; Water Purifying Chemicals; Additives, Chemical, To Dyes; Acid Resistant Chemical Compositions.