Metal pipes; Fittings of metal, namely, metal hose fittings, metal joinery fittings; Well pipes, namely, metal drill pipes for use in well boring; Metal drilling templates for drilling holes; Metal piping systems comprising swivel joints, pipes, tubes, elbows, flanges, fluid couplings; Manifold structures, namely, manifolds of metal for pipelines; Metal reinforcement materials for building, namely, pipe supports of metal; Metal couplings for use with flexible composite pipes; Pipe couplings o...