Metal rails; steel rails; guide rails of metal; non-electric cables of metal; cable junction sleeves of metal; Aluminum extruded rails and accessories therefor, namely, metal suspensions being mounting brackets for general use to suspend the rails from a structure, metal load trollies being belts of metal for handling loads to hang the load and slide inside the rails, metal joining kits to join two rails together consisting of metal joinery fittings, cable trollies of metal being straps of me...