Construction elements made of metal, namely, braces; Construction elements made of metal, namely, shores; Construction elements made of metal, namely, supports; Construction materials, namely, metal piles; Metal construction materials, namely, exhaust vent hoses for external ventilation of furnaces, heaters, stoves and boilers; Metal cladding for construction and building; Metal mats for use as load support surfaces in the construction industry; Metal staples for construction or industrial us...