Steel in sheet, rod, bar and billet form; steel tubes; and metal sheets

Steel plate; steel bar; steel wire; steel tube; metal sheet; and building material of metal, namely, steel frames for building, joists of steel, and steel architectural columns

Electric sockets; Electrical plugs and sockets; Electrical sockets; Electrical wiring devices in the nature of sockets incorporating tactile instructions and/or warnings for use by the blind; Switches, electric; Time switches, automatic