Burnishing by abrasion; [ Chemical distillery services; Chemical encapsulation and dispersion of hazardous chemicals; Chemical treatment of textile; Conversion of targeted substrates into targeted chemical preparation by treatment with enzyme systems; ] Electro-plating; [ Etching of a sequence of traceable identification numbers on automobile windows, so as to identify a particular automobile recovered after theft; Filtration of coolants through separation, absorption, sedimentation, cleaving...

[ Ammonium sulphide; Antimony sulphide; Barium sulphide; ] Battery anti-sulphurizing agents; [ Cadmium sulphide; Calcium sulphide; Carbon; Carbon disulphide; Catalytic agents; ] Chemical additives for enhancing the performance of lubricating oils, greases and internal combustion engine fuels; Chemical additives for fuel; Chemical additives for motor fuels; Chemical additives for oils; Chemical additives for use with internal combustion engine fuels [ ; Chemical agents for impregnating carved ...