“Yaochi mu kirere, Yuechi ku isi”. Uruganda rutunganya imyanda yo mu mujyi mu Ntara ya Yuechi, Umujyi wa Guang'an rukoresha metero yacu ya pH, metero ya ORP, metero ya ogisijeni yashonze, metero yibanda ku mashanyarazi, imashini itanga amashanyarazi hamwe n’ibindi bicuruzwa kugira ngo hamenyekane ibimenyetso byingenzi mu gihe cyo gutunganya imyanda yo mu cyaro.
