Pedzisa mutsara unotevera: Chinhu chikuru chinobatanidza mvura yemoto nekusvibisa kukwanisa kwayo kuparadzira zvinhu zvine ngozi nekukurumidza kana ikasachengetedzwa nemazvo mushure mekushandiswa kwekudzimisa moto; mvura yemoto inoyerera kazhinji ndiyo inokonzera kana kuti inonyanya kukonzera kusvibiswa kwemakemikari akawanda (ona Kusvibiswa kwemvura). Nhamba
Sandoz chemical spill ya1986, somuenzaniso, yakashandura rwizi rweRhine kuva rutsvuku nezvinosvibisa ndokukanganisa mhuka zhinji dzomusango nemhaka yokudzivirira kwakaipa kwemvura yomwoto yakashandiswa mukurapa moto wechitoro chemakemikari okurima, ichibudisa matani 30 emakemikoro ane chepfu murwizi.