7 Rough, partially machined and finished metal forgings, metal castings and formed sheet metal parts, namely, single- and multiple- prong steel guards with and without a ledger plate for cutter bars of harvesters, namely, motor mowers, mounted mowers, forage- harvesters, combines, mower-conditioners, swathers, water weed cutters and special mowers of all types; rough, partially machined and finished metal forgings, metal castings and formed sheet metal parts, namely, [ as parts of cranes, construction, load and people elevators, scaffolding and construction machinery; rough, partially machined and finished metal forgings, metal castings and formed sheet metal parts, namely, ] as parts of agricultural devices and machines, namely, forage-harvesters, water weed cutters, cutter bars, turbo mowers and hay turning machines; rough, partially machined and finished metal forgings, namely, knives, precutters and apertured disks as parts of meat chopping, passing, grinding and mincing machines