19 WOOD PANELLING, SUCH AS CHIP-BOARDS, FIBREBOARDS, PLYWOOD BOARDS, AND WAINSCOTTING; JOINERY FOR BUILDINGS - NAMELY, WINDOWS, DOORS, SHUTTERS, WOODWORK FITTINGS FOR WALLS AND CEILINGS, ORDINARY FLOORING AND PARQUET FLOORING; PREFABRICATED BUILDINGS FOR USE AS HOUSES, OFFICES, SCHOOLS, DISPENSARIES, CANTEENS, AND BARRACKS AND GLUED BEAMS