Mutsara wokutanga: Pazasi pe hydrometer pane girobhu duku remarambi uye kumusoro pane pani yezviyereso. Mutsara 2: Pazasi pe hydrometer pane bhuru duku uye kumusoro pane pani yehuremu hwakaremerwa. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
Hungu