7 Construction and industrial machinery and equipment, namely, power-operated forklifts, conveyors, winches, power-operated jacking systems consisting of hydraulic cylinders, bottle jacks, duct jacks, hydraulic jacks, screw jacks, railroad jacks, and transmission jacks; electric tools, namely, drills, saws, sanders, grinders, screwdrivers, wrenches, planers, routers, hammers, cable pullers, conduit benders, pipe threaders, welders, plasma cutters; hydraulic tools, namely, wrenches, excavators, cutterheads, backhoes, skidsteers, punches, spreaders, nut splitters, cable benders, conduit benders; air powered tools, namely, compressors, wrenches, post drivers, backfill tampers, saws, drills, grinders, nailers, staplers; power-operated compaction equipment, namely, plate tampers, jumping jack tampers, asphalt rollers, trench rollers, vibratory rollers, jumping jack rollers, plate compactors; power-operated concrete and masonry equipment, namely, planers, saws, drills, scabblers, grinders, mixers, concrete buckets, trowels, vacuum cleaners, shot blasters, gas breakers, concrete vibrators, rebar cutters, rebar benders; power-operated earth-moving equipment, namely, backhoe loaders, skid-steer loaders, crawler loaders, landscape loaders, wheel loaders, bulldozers, excavators, trenchers; power-operated demolition equipment, namely, hydraulic breakers, chipping hammers, paving breakers, rivet busters, rock drills; pile-drivers; power-operated golf course maintenance equipment, namely, aerators, dethatchers, and overseeders; power-operated water-damage equipment, namely, carpet water extractors, turbodryers, negative air machines, air movers; power-operated lawn, landscape, and tree equipment, namely, overseeders, lawn vacuum cleaners, edgers, tillers, trimmers, trenchers, pruners, sod cutters, aerators, dethatchers, lawn mowers, brush cutters, chain saws, lawn spreaders, lawn rollers, stump grinders, log splitters, wood and brush chippers, straw blowers, hydroseeders, leaf blowers, mulchers, post hole augers; ac generators, dc generators, and electric power generators; pipe beveling machines; beam trolleys for attaching hoists; machine welding torches and cutting torches