Izindwangu ezingalukiwe ezenziwe nge-spunlaced zisebenzisa ukugeleza kwamanzi anengcindezi ephezulu ukubopha imicu.Banezinzuzo zokuthambisa, ukumuncwa komswakama, ukuphefumula, njll., futhi ukubukeka kwabo kuseduze nezindwangu zendabuko.Isetshenziswa kakhulu kwezokwelapha, izinto zokupakisha ezinobungani bemvelo, izinto eziwumgogodla ezimuncayo, njll.