Boric acid; Charcoal for horticultural purposes; Chemical preparations in the nature of filtering materials in the pulp, paper and textile industries; Fire extinguishing compositions; Gelatine glue for industrial purposes; Manure for agriculture; Mineral substances used to oxidize impurities and regulate temperatures in glass production furnaces; Unprocessed plastics in the nature of filtering materials in 3d printing; Water-purifying chemicals; Water-softening preparations