Non-metallic studs and non-metallic surface studs; non- metallic rigid pipes for building; non-metallic building material including that 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

Tiles, not of metal