6 Formwork in the nature of tables and scaffolding as well as components thereof for concrete construction; formwork in the nature of tables and scaffolding as well as components thereof made of metal or mainly of metal for the production of prefabricated building elements; load-bearing and support structures in the nature of load-bearing scaffolds, load towers, shoring, adjusting supports, rails, props, struts, girders, washers, joists, braces, support heads, floor supports, frameworks, as well as components thereof for formwork for use in concrete construction; scaffolds as well as components thereof; portable structures as well as components thereof for formwork use; transport aids for aforementioned goods, namely, bins, containers, and pallets made in whole or significant part of metal; ironmongery and small items of metal hardware for assembly, assembling aid, adjustment, locking as well as for disassembly of the aforementioned goods, as far as included in this class, namely, wedges, cones, nuts, anchor plates, couplings, damps, fasteners, plugs, spindles, stays, bolts, sleeves, retainers, lugs; all aforementioned goods made of metal or mainly of metal