Carburetters; Agricultural machines, namely, cultipackers; Chains for chain saws; Electrically-powered kitchen appliance for dicing, mincing, slicing and chopping food; Electricity generators; Extensions for power tools; Machines, namely, crushers, impact mills, breakers, pulverizers, mixers and blenders and parts therefor, for industrial and commercial applications; Marine engines and parts and fittings thereof; Power machines for mowing; Self-lubricating mechanical friction parts, especially of composite materials, namely, wear rings, washers, bushings, spherical bearings, bearing pads, sliding blocks and machine transmission gears all for load bearing machines, conveyors, handling trucks and machines, lifting machines, agricultural machinery, construction equipment machines and hydraulic turbines