Mutsara wokutanga: Pazasi pe hydrometer pane girobhu rakaremerwa uye pani yekutsvaira huremu hushoma kumusoro. Mutsara 2: Pazasi pe hydrometer pane girobhu duku remwenje uye kumusoro pane pani yezviremera. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
Kwete