Dabaqyada sagxadaha ayaa loo isticmaalaa codsiyo kala duwan, oo ay ku jiraan tuubbooyinka la deggan yahay, tuubooyinka ganacsiga, iyo tuubooyinka warshadaha.Waxa loo isticmaali karaa in lagu xidho tubooyinka cabbirro kala duwan leh, waxaana sida caadiga ah lagu rakibaa iyada oo la isticmaalayo boolal ama boolal si loo sugo flangeda dhulka.