Ukubuyelekwa Okungakwazi Ukuphatha Kwesaliva
Amathumbu amaqhutywa we-saliva akho abuyelekwe ngokugcina lokhu olungakwazi ukuphatha kwesaliva. Leli ngenoveli inceda uphawu nokuthi usetyenziswa kuhlanganiswe kanye nokususa ukuhlambekileyo kwezimali. Lezi zithumbu zikhona ngemvume kunye nokuphucukeleka uzisebenzisa kwindawo eziningi zokudlwulo njengekhophi zokudlwulo neklinikhesi.