Ishishini lokutya / lokutya
Iigesi zisetyenziswa ngokubanzi ekutyeni. Ngokwephatho yokupakisha, inokunqanda ukutya okuphezulu kwe-oxidages kwaye idlale indima ekugcineni entsha. Ukongeza, i-carbon diokside, njengezinto eziphambili zokwenza amanzi, zinokuphucula ukungcamla kweziselo, esongesinye sezizathu zokuba abantu abaninzi bathenge oomatshini bamanzi abaninzi.
