Metal components in this class for use in civil engineering; building components made of metal, including steel building components; metal jointing components; metal components for use in anchoring; metal reinforcement components, including metal cables, metal bar chairs, metal duct chairs and metal ducts; barrels and wedges; swage plates; metal banana blocks; metal anchor blocks; blocks of metal for seating wedges; metal couplers, including metal coupling blocks; metal grout vents; metal strand spacers; metal base plates; metal pan covers; temporary movement joints of metal for joined slabs; nuts and bolts, including cable bolts; metal mesh