Cutters; drilling bits; grindstones; mine borers; saw benches; saw (machines); saw blades; steam traps; machine valves; clack valves; chucks (parts of machines); compressors (for machines); cutting machines; drilling machines; electrical drills; mechanical hand held tools; machine tools; stone working machines; tables for machines; mechanically operated hand-held tools; tools (holding devices for machines); woodworking machines; blades, (parts of machines); cutter (machines); drilling heads (parts of machines); machines wheelwork; apparatus for machining; pressure valves (parts of machines); valves (parts of machines)