Acids; Active chemical ingredients; Anti-tarnishing chemicals; Brickwork preservatives, except paints and oils; Cement preservatives, except paints and oils; Aqueous chemical compositions; Chemical compounds for use in repair; Chemical preparations for preventing the formation of scale; Chemical preparations for the treatment of brickwork; Chemical preparations for the treatment of cement; Chemical preparations for the treatment of concrete; Chemical preparations for use in construction; Chemical preparations for use with cement; Chemical preparations to prevent mildew; Chemicals for use in swimming pools (other than disinfectants); Concrete preservatives, except paints and oils; Chemical products for use in industrial cleaning processes; Chemical products for use in industry; Chemical compositions for use in the building industry; Chemical compositions for use in the construction industry; Chemical additives for use in industry; Industrial chemicals; Industrial inorganic chemicals; Inorganic chemical compounds; Masonry preservatives, except paints and oils; Mold release compounds; Mold-release preparations; Chemical compositions for preserving stonework; Compositions for preserving brickwork (except paints or oils); Compositions for preserving cement (except paints or oils); Compositions for preserving concrete (except paints or oils); Preservatives for concrete (except paints and oils); Preservatives for brickwork (except paints and oils); Preservatives for buildings (except paints and oils); Preservatives for cement (except paints and oils); Preservatives for the surfaces of buildings (chemical) (other than paints or oils); Preservatives for tiles, except paints and oils; Products for protecting concrete (chemicals); Anti-stain chemicals; Chemical preparations for repelling stains; Stain repellents; Stain-proofing chemicals; Surface-active chemical agents; Surface-active substances; Preparations for removing cement; Preparations for removing scale (other than for household purposes); Preparations for the removal of lime (other than household use); Preparations for the removal of mortar

Chemical products for cleaning porcelain; Chemical products for cleaning stone; Cleaning agents for stone; Cleaning preparations; Cleansing agents; Cleansing liquids; Destainers; Floor buffing compositions; Floor cleaning preparations; Floor finish removers; Floor finishes; Floor polishes; Floor shining compositions; Chemical preparations for cleaning (other than for chimneys); Chemical cleaning preparations for porcelain; Preparations for cleaning porcelain; Chemical cleaning preparations for stone; Cleaning preparations for use on brickworks; Cleaning preparations for use on masonry; Cleaning preparations for use on mortar; Cleaning preparations for use on tiles; Chemical cleaning preparations for floors; Cleaning preparations for floors; Cleaning preparations for use on floors; Materials for cleaning purposes (preparations); Preparations for cleaning floors; Preparations for cleaning surfaces; Preparations for cleaning tiles; Chemical preparations for household use in removing scale; Chemical preparations for use in removing scale (household); Preparations for the cleaning of floor coverings; Preparations for the removal of lime; Preparations for use in cleaning floors; Preparations for removing rust; Rust removers; Rust removing compositions; Rust removing preparations; Rust removing products; Preparations for removing stains; Preparations for the removal of stains; Stain removers; Stain removing agents; Stain removing preparations

Metal containers for natural gas fuel for cutting, welding and brazing, sold empty