Cutubka kowaad wuxuu la mid yahay kan labaad. Haddii lagu daro biyo markaa cutubka waxaa loo isticmaali karaa in laga saaro budada daabacaadda. Cutubka labaad waa nakhshad saddex rullalulayaal ah, kaas oo rullaluistuyeedkiisa caagga ah uu soo qaato shay gaar ah si uu si siman ugu dahaadho badeecada saameyn wanaagsan leh. Oo waxay ku habboon tahay saliidda biyaha/saliida ku salaysan iyo varnish bilister ah, iwm. Unugga ayaa si habboon loogu hagaajin karaa hal dhinac.