zu
Izingubo zokuvikela zezimboni izingqimba ezikhethekile ezisetshenziswa ezindaweni zokuthuthukisa ukuqina kwazo nokumelana nezici ezahlukahlukene zemvelo. .. Lezi zimbozo zidlala indima ebalulekile ekuvikeleni izinto zokwakha nezakhiwo ezindaweni zezimboni, lapho zingavezwa khona ezimeni ezinzima njengokugqwala, amakhemikhali, kanye nokushisa komzimba. Enye yezinhloso eziyinhloko zeprothec yezimboni