power-operated drills, power-operated bench drills, power-operated bench saws, power-operated aluminum sawing machines, power-operated wood cutting machines, power-operated metal cutting machines, power-operated grinding wheels, power-operated metal hand saws, power-operated scroll saws, sand belt machines, power-operated dust collectors, power-operated universal metal processing machines, metal machining lathes, machines for manufacturing semi-conductors, power-operated mechanical arms, binding machines, packaging machines, power-operated chainsaws, wood working machines, wood processing machines, power-operated wood planers, electric timber refiners in the nature of a belt sanding machine, wood bench lathes, timber processing machines, power-operated fruit and vegetable processing machines for industrial use, power-operated slicers for vegetables, chopping machines for food processing, mowers, rice reaping machines, power-operated weed trimmers, power-operated fabric cutters, paper cutting machines, electric hand tools, namely, drills and screwdrivers, pneumatic hand tools, namely, jackhammers, machine parts, namely, gears