Metal building materials, namely, wall cladding, facade cladding, and ceiling cladding, facade panels, ceiling panels; building panels of metal; grills of metal in the form of metal gratings for use in suspending ceilings and wall panels; fastening and suspension means for ceilings, facades, wall cladding, facade cladding and ceiling cladding, namely, metal hangers, hooks, metal mounting brackets, clips, namely, galvanized steel clip used to attach ceilings and wall panels, screws and/or bolts