การผลิตผลิตภัณฑ์ที่มีโครงสร้างเป็นโลหะ

This class includes:
- manufacture of metal frameworks or skeletons for construction and parts thereof (towers, masts, trusses, bridges etc.)
- manufacture of industrial frameworks in metal (frameworks for blast furnaces, lifting and handling equipment et

This class excludes:
- manufacture of parts for marine or power boilers, see 2513
- manufacture of assembled railway track fixtures, see 2599
- manufacture of sections of ships, see 3011