[ Agricultural machines and instruments, namely, tractors, cultivators, plows, disk harrows, rototillers, spading machines, subsoilers, seeders, planters, seed drills, fertilizer spreaders, harvesters, balers, mower, loaders, which are not hand-operated, ] motor-operated instruments, namely, snow plows, snow blowers, snow throwers, for removing snow from roads, railways and runways, machines for clearing roads, namely, [ road sweeping machines, edge trimmers, rotary weeders, mowers, graders, ...