“Yaochi mu kirere, Yuechi ku isi”.Uruganda rutunganya imyanda yo mumijyi mu Ntara ya Yuechi, Umujyi wa Guang'an rukoresha metero yacu ya pH, metero ya ORP, metero ya ogisijeni yashonze, metero yibikoresho bya elegitoronike, imashini itanga amashanyarazi hamwe nibindi bicuruzwa kugirango tumenye ibimenyetso byingenzi mugikorwa cyo gutunganya imyanda yo mucyaro.
