Wokhala ndi mwayi wopanga acidity acidity wopanga ndi othandizira ku China, labu zonse acidity mita , ndipo mutha kukhala otsimikizika moyenera. Ngati simupeza cholinga chanu cha acidity meter m'ndandanda wathu wopanga, muthanso kulumikizana nafe, titha kupereka ntchito zokonda.