4 * 4 * 6 iinyawo unyawo ityhubhu ukukhula intente uyilo olwahlukileyo, ikhangeleka ngathi yindlu.Yenzelwe uphahla, uphahla, kunye namagumbi angaphantsi, ikuvumela ukuba ukhulise izityalo kwi-attics, amagumbi, amagumbi angaphantsi, kunye namagumbi anesilingi eziphantsi.