19 Non-metallic floor and wall panels, tiles and boards made of wood, imitation wood, wood veneer, engineered wood, laminate, vinyl, linoleum and plastic; Non-metal building materials, namely, plastic connection clips for assembling floor and wall panels, tiles and boards; Non-metal building materials, namely, glass fibre reinforced plastic connecting inserts for jointing or locking purposes in assembling floor and wall panels, tiles and boards; Non-metal building materials, namely, carbon powder reinforced plastic connecting inserts for assembling floor and wall panels, tiles and boards; non-metal wainscoting.