Electronically and power-operated tools, namely, pullers and components therefor, nut splitters, extractors, separators, spanners and coil spring compressors; Extensions for power tools; Air powered tools, namely, screwdrivers; Power-operated lawn and garden tools, namely, cultivators; Power-operated tools, namely, lawn and garden edgers; Diffusers used in machines for wastewater and clean water treatment; Diffusers used in machines for wastewater and clearwater treatment; Automated machines for washing solar panels; 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; Car washing machines