Amanzi umkhwetha yinto ekufuneka azame ukungayisebenzisi kakhulu. Ngenxa yokuba enza umkhwetha ahl;ale ixesha elide ukuba uyawasela. Ikhankatha liyakwazi ukubona ukuba umkhwetha uyawasela na amanzi. Ikhankatha liyakuthi limohlwaye okanye limnqande umkhwetha ngokusebenzisa amaninzi.