2511Structural Metal Product Industry

manufacture of metal frames for construction and their parts (towers, poles, pylons, bridges, etc.); | manufacture of metal frames for industrial equipment (frames for furnaces, lifting and handling equipment, etc.); | manufacture of prefabricated buildings primarily of metal, such as metal workers' huts (foreman's houses) and modular performance elements; | manufacture of doors, windows and their frames, window coverings, and gates of metal; | metal room partitions for connecting floors.