Class 006: Transportable buildings of metal, pipes and tubes of metal; small items of metal hardware, in particular spacer discs for soil cultivation machines; metal hardware, namely, hoof studs; horseshoe nails; metal hardware, namely, hard metal studs; extrusions, namely, extruded semi-finished articles of aluminum or its alloys; Class 007: Accessories for soil cultivation machines, in particular roughening machine tools, in particular star cutters, milling cutters, carbide cutters, sharpening wheels; saw teeth, in particular carbide saw teeth for chain saws or circular saw blades; power-operated roughening tools for tyres, in particular carbide gritted discs; accessories for machines for processing metal, wood and plastics, in particular star cutters, milling cutters, carbide cutters, sharpening wheels, shafts, and spacer washers; Class 012: Spikes for tires; Class 025: Non-slipping devices for boots, in particular studs