6
Common metals and their alloys; Building materials of metal; Buildings, transportable, of metal; Railway material of metal; Non-electric cables and wires of common metal; Ironmongery, small items of metal hardware; Hinges of metal and Knobs of metal; Pipes and tubes of metal; Metal cases; Chests of metal for tools; Safes [metal or non-metal]; Cashboxes [metal or non-metal]; Metal dead bolts; Ladders of metal; Duckboards of metal; Scaffolding of metal; Frames of metal for building; Ores of metal
7
Motors, other than for land vehicles; Machine coupling and transmission components (except for land vehicles); Machine tools, coupling and transmission components; Suction machines for industrial purposes; Belts for conveyors; Engines for boats; Calibrating machines; Harvesting machines with loading belts; Harvesting machines; Sowers [machines]; Pumps [parts of machines, engines or motors] Pumps [machines], Aquarium pumps; Drainage machines; conveyer lines, Assembly line conveyor machinery; Vacuum packing machines, Vacuum packing machines; Expansion tanks [parts of machines]; Cleaning machines for ponds; Electric food choppers; Belts for conveyors; Electronic feeders for animals; Packaging machines; Threading machines; Suction pumps; Industrial robots; Food preparation machines, electromechanical; Machine wheelwork; Mechanical hoists; Packers for industrial use; Sorting machines for industry; Shredders [machines] for industrial use; Machines for cutting flakes of dried fish [machines for making kezuri-bushi], Fish paste making machines, Meat choppers [machines]; Sorting machines for industry; Grinding machines for industrial purposes; Presses [machines for industrial purposes]; Vending machines