Floor sections being floor boards made of metal; floors of metal; gratings of metal; latticework, of metal; stair treads for steps of metal; staircases of metal; parts of street furniture, of metal, namely, floor boards; bridges, in particular constructions, of metal, namely, prefabricated metal bridges; duckboards of metal; metal palisades; metal shields, namely, guard rails of metal; pillars of metal for building; stages of metal, namely, portable stages composed of primarily metal materials