Izibalo zokudlwengula
Izibalo zokudlwengula kanye nezinye izenzo zokuhlukunyezwa ngokobulili ezivame ukutholakala emazweni anezimboni, futhi ziye zabhalwa kangcono emhlabeni wonke. Izincazelo ezingavumelani ukudlwengula, amazinga ahlukahlukene okubika, ukuqopha, ukushushiswa kanye nokugwetshwa ngokudlwengulwa kungabangela ukungalingani kwezibalo okuphikisayo, kuphinde kuholele ekumangalelweni kokuthi izibalo eziningi zokudlulwa azithembekile noma .[1]