Metal building materials; structures and transportable buildings of metal; suspended ceiling structures of metal; metallic mountings; retaining [fixing] devices of metal; anchor bars, including concrete-encased, including insertion parts therefor; screws; hoop steel; sheets and plates of metal; fixing anchors; threaded inserts; threaded rods; articles for anchoring; fasteners; screw rails; anchor straps; edge protectors; perforated bars; assembly rails; plugs; truss strap; pipe clips; fasteni...