Aluminum alloy; Identity plates of common metal; Metal fastening anchors; Metal holders for signboards; Metal holders for signs; Non-luminous and non-mechanical metal signs for decoration; Non-luminous and non-mechanical signs for roads of metal; Non-luminous and non-mechanical traffic signs of metal; Road signs of metal; Road signs, non-luminous and non-mechanical, of metal; Signboards of metal; Signs, non-luminous and non-mechanical, of metal; Upright signboards of common metal