Metal hardware, namely, springs

Cylinders being parts of machines; gas cylinders being parts of machines; [ hydraulic cylinders being parts of machines; ] oil-pressure hydraulic cylinders being parts of machines

Springs [metal hardware]

Springs being parts of machines; cylinders being parts of machines; gas cylinders being parts of machines; hydraulic cylinders being parts of machines; oil-pressure hydraulic cylinders being parts of machines

Non-electric metal cables and wires, namely, springs and bands; small items of metal hardware, namely, metal straps; metal pipes and tubes