Non-metallic building materials; non-metallic flooring; non-metallic studs and non-metallic surface studs; non-metallic rigid pipes for building; non-metallic building material used to surface all or part of paths, path edgings, stairs, stair treads, footpaths, hand rails, guide rails, including to assist the visually impaired; non-metallic building material used as tactile markings, including to indicate the edge of pathways, stairs, footpaths; non-metallic pegs, studs, discs, tiles, including those affixed or attached to pathways, floors, stairs, ground surfaces, to assist the visually impaired; elastomeric tiles for use in the surfacing of floor surfaces; elastomeric tiles for use in the surfacing of ground surfaces; floor tiles, not of metal; non-metallic tiles; non-metallic studs, surface studs, pegs, discs or tiles which include a metallic cap, cover or top and including those for use on paths, footpaths, stairs, path edgings or flooring to assist the visually impaired or otherwise assist in marking paths, footpaths, stairs, path edgings