Floors, not of metal; walls, namely, wall panels not of metal; floor systems not of metal comprised of non-metal floor panels, non-metal automated floor panels, and electronic controllers for controlling the movement of a floor system; wall systems comprised of automated wall panels, not of metal; floor tiles, not of metal; building parts and elements of concrete; concrete slabs; concrete floors; parts, fittings and accessories for all the aforementioned goods, namely, facing plaster, non-met...