Operation of rolling mills
|
24121 |
Pipes and tubes manufacturing, iron or steel
|
24122 |
Manufacture of pipe fittings of iron or steel
|
24123 |
Manufacture of galvanized steel sheets, tinplates and other coated metal products made in steel works or rolling mills
|
24124 |
Operation of steel works and rolling mills, n.e.c.
|
24129 |