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Mechanical tools include air compressors, tampering rammers, DC inverter welder, drills, grinders, sanders, nailers and staplers, pneumatic screwdrivers, impact wrenches, generators, vacuum cleaners, brush cutters, power trowel float, spotlights, concrete mixers, Augers, trench diggers, pressure cleaners and battery jump starters, oils and lubricants, bearings, oil seals. Bolts and nuts and vee belts.