Flexible plastic tubes for plumbing; non metal gaskets for plumbing; pipe gaskets, not of metal; pipe jackets, not of metal, and pipe muffs, not of metal, both for use with water and sewer pipes; joint packings for water and sewer pipes; junctions for water and sewer pipes, not of metal

Building materials, namely, pipe supports in the nature of rigid non-metallic interlocking plates or strips, with or without steel reinforcements, to be spirally wound and grouted into the interior of an existing pipe or pipeline, to line and strengthen such pipe or pipeline; grout; branching pipes, not of metal; framework, not of metal, for building; penstock pipes, not of metal; gutter pipes not of metal; rigid pipes not of metal; water-pipes, not of metal; and plastic conduit for drainage; reinforcing materials, not of metal, for plastic pipe supports