Explanatory notes
β¦ of bars, tubes, shapes, sections, wire or similar products. (2)Β Β Thread rolling machines in which the threads β¦ for working wire e.g., for manufacturing wire goods such as springs, barbed wire, chains, pins, wire nails or β¦ in which tubes or bars are forced through rotating dies to reduce the diameter. (7)Β Β Spinning lathes . These machines β¦
