gas welding machines; gas-operated soldering irons; gas-operated soldering apparatus; heating shield; gas welding guns; pneumatic tool transporters; air-pressure cutting machines; pneumatic hammers; air-pressure press machines; operation machines; fixing means for operation machines; hole punching machine; punching press for metalworking; refraction machines; grinder; hand-held power driven grinders; metal processing machines; machine tool holder for metal working; machine presses for metal working; shears for metal working; cutting machines for metal working; tubing mills for metal working; drilling machines for metal working; punching presses for metal working; planing machines for metal working; shaping machines for metal working; horning machines for metal working; rolling mills for metal working; metal drawing machines; chisel for machines; prop for machines; machine tool tables; manual apparatus for operation of machines; industrial machine presses; threading machines; spiral cutting machines; notching machines; interior cutting machines; nut-tapping machines; scale machines; die-stamping machines; diamond-pointed metal-cutting tools; die-cutting and tapping machines; forging machines; bellow for forging purposes; cast for forging purposes; drilling machines; drill bits for rock drilling; drill chucks for power drills; drill head; racket stringing machines; radial drill; lapping machines for metal working; laser machines; laser cutting machines; rivet machines; finishing machines; friction pressure welders; machining centers; milling drilling machines; milling machines; milling cutters for milling machines; bites, vertical shapers, bending machines for metal working; boring machines; drilling machines except for woodworking; embossing machines; broaching machines for metal working; blanking presses; injection moldings machines; oxy-acetylene welding and cutting machines; oxygen acetylene welding cutters; oxygen cutting devices; lathes for metalworking; lathes except for metalworking; plastic processing machines; hydraulic presses; whetstone machine parts; smoothing presses; swaging machines; drill bits for rock-drilling; rolling mills; rolling mill cylinder; mangles; compressing machines; compression apparatus for molding; air powered tools, namely, air drills, air hammers; machine parts, namely, aprons for machines; grinding machines; grinding machines for metal working; continuous metal casting machines; heat shock machines; wire forming machines; wire extruding machines; gas-operated soldering blow pipes; machine parts, namely, glass cutting machines; oil hydraulic presses; oil pressure hammer; automatic stamping machines; bicycle assembling machines shears; electric welding machines; electric drivers; electric drills; electric hammers; hand-held electric drills; electronic beam machines; electronic beam welding machines; cutting machine; gas-operated cutting blow pipes; carbide cutting machine; steel-making converter; tubing mills; engraving machines; plastic molding apparatus; casting machines; foundry machines; machine part, namely, chuck; supersonic waves welding machines; rechargeable fence cutting machines; carriage apron; core drilling bit; contouring machines; beating machines; taps, trimming machines; tilt hammers; power hammers; bellows; milling machines, namely, fraises