Swihlawulekiso:
Yina nun’hwelo wo tiya no vonaka, nantswo wo fuwa, na nun’hwelo lowu tshamaka nkarhi woleha naswona wu tiyeke. Yinga nyika nantswo lowu fuweke naku olova eka swakudya, naswona yitirhisiwa ngopfu eka malunghiselelo ya supu.
Vukulu bya ku tirhisiwa: supu
Nhlayo ya ku engeteriwa: 0.5%-3%