Amplifiers; subwoofers; audio cables; loud speaker systems; mounts and mounting brackets adapted for audio speakers with swiveling bases therefor; signal processors for audio speakers; speaker enclosures; acoustic amplifiers; audio speaker enclosures; audio speakers; loud speakers; sound amplifiers.

Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores; including steel reinforcement bar couplers, metal accessories and metal form work for concrete construction

Building products and materials in class 19 including bar caps and bar covers included in class 19; concrete building elements and construction materials not of metal; non-metallic framework for building and scaffolding predominately non-metallic accessories for installation of floors and walls of concrete

Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores including steel reinforcement bar couplers, metal accessories and metal form work for concrete construction