Machines and machine tools; air compressors; pneumatic tools; agricultural machinery; hand-held tools (other than hand-operated); spray guns; spraying machines; painting machines; generators; gas operated welding apparatus in this class; welding machines including electric welding machines; mechanical hose reels; mechanical reeling apparatus; water-blasting equipment; pumps; pneumatic transporters; blowing machines for the compression, exhaustion and transport of gases; holding devices for machine tools; parts, fittings and accessories for the foregoing goods