Division 2.3

Processing of ferrous metals:

1. (a)

   operation of hot-rolling mills with a capacity exceeding 20 tonnes of crude steel per hour;

2. (b)

   operation of smitheries with hammers the energy of which exceeds 50 kilojoule per hammer, where the calorific power used exceeds 20 MW;

3. (c)

   application of protective fused metal coats with an input exceeding 2 tonnes of crude steel per hour.