Izakhiwo zensimbi ezakhiwe zisetshenziswa kakhulu ekwakhiweni kwezimboni, ibhilidi lezentengiselwano kanye nesakhiwo somphakathi, njengendawo yokugcina impahla yensimbi, indawo yokusebenzela yensimbi, inxanxathela yezitolo, ifulethi elakhiwe ngaphambili, ishede legaraji, imboni yensimbi, inkundla yezemidlalo, njll.