Clips of metal for pipes; Construction elements made of metal, namely, braces; Corrosion-resistant metal overlays and alloys for fittings, steel plates, flanges, piping components; Fittings of metal for compressed air hoses; Fittings of metal for compressed air lines; Flanges of metal; Hose hangers of metal; Metal pipe couplings; Metal self-aligning demountable snap fasteners consisting of press fasteners and press studs for use in attaching panels, hatches, floors and furniture in boats, mot...