A cewar Aikace-aikacen, za a iya raba kwali zuwa nau'ikan nau'ikan 4:
(1) Cloard Board, kamar akwatin katako, kamar akwatin akwatin, block Board Board, Board Board, kwamitin da aka yi da shi, da sauransu {
(2) Board na fasaha masana'antu, irin su layin wayoyin lantarki, bututun ruwa na ruwa, da dai sauransu .}
(3) Ginin gine-gine, kamar takarda na linoleum, kwamitin linoleum Hukumar, allon-hadin-kashe gobara, Hukumar Gypum, da sauransu, da sauransu.}
(4) Board don bugawa da kayan ado, kamar sype Board, da sauran allo, da sauransu .} {