the elements consisting of metal

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Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs (scaffolds, shutterings E04G; structures specially adapted for buildings for special purposes, general layout of buildings, e.g. modular co-ordination, E04H) > Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements (E04B1/32 - E04B1/36 take precedence) > the elements consisting of metal