12 COMPOSITION OF MATERIAL FOR WALL BOARDS IN BOARD OR SHEET FORM AND USED AS LININGS FOR HOUSES, BOX-MAKING MATERIAL; FIBERBOARD SUITABLY SATURATED, COATED AND/OR PROCESSED-NAMELY, SOUND ABSORBING TILE, INSULATING BRICK SIDING AND SIDING BOARDS; FIBER HARDBOARD, ASPHALT SHINGLES, SIDING, AND ROLL ROOFING; GYPSUM PLASTERS, WALL BOARDS, [ PLASTERBOARD, ] AND LATH; [ AND TILE MOUNTING SYSTEMS-NAMELY, METAL RETAINING STRIPS, SPLINES, AND MINIATURE BEAMS FOR THE ERECTION OF PREFABRICATED TILE ]