7 Mechanical replacement parts for lawnmowers, golf course mowers, powered trimmers, powered tillers, snow blowers, chain saws, multipurpose pressure washers, and small engines for machines having 2-cycle or 4-cycle engines, namely, air filters for mechanical purposes, carburetors, fuel pumps, pump diaphragms, fuel filters, electronic ignitions, gaskets for internal combustion engines, engine seals, mechanical seals, connecting rods for machines and motors and engines, pistons for internal combustion engines, piston rings, valves as machine components, mufflers for motors and engines, oil filters, transmission filters, starters for motors and engines, machine parts in the nature of bearings and bushings, belts for engines and machines, lawn mower blades, edger blades, clutches for machines, pulleys being parts of machines, string trimmer spools, chains for chain saws, guide bars for chain saws; Power tools used in the repair, maintenance, and operation of lawnmowers, golf course mowers, trimmers, tillers, snow blowers, chain saws, go-karts, mini bikes, portable heaters, pressure washers, trailers, and small engines, namely, grinders; Spark plugs; Mechanical replacement parts for go-karts, mini bikes, and trailers, namely, mufflers; Mechanical replacement parts for small engines for land vehicles, namely, gaskets, pistons, piston rings, oil seals, connecting rods, air filters, oil filters, and fuel filters