Building materials, interior wall panels, stuctural building components and non-metallic geodesic domes, all being goods included in Class 19

Girders, column supports, wall supports, space frames, geodesic domes, modules, and roof supports; metal framing for storage and material handling applications; ladder-type and trough-type trays for pipes, tubes and electric cables; screws, nuts, colts, clamps, brackets, angle and channel irons and fittings for fastening, hanging and supporting, all the foregoing being made of metal