1. Mamwe mvura yakawanda gore rese, kunyorova, munyu fog inorema nzvimbo.
2. Iyo yakashanda nharaunda yakasimukira, kune nzvimbo yemvura nzvimbo.
3. Kukwidziridzwa kwekusadarika 2000m.
4. Iyo yekushanda nharaunda ine jecha guruva, guruva uye vamwe vasiri - Guruva rinopisa.
5. Iyo yebasa nzvimbo ine isina kusimba acid, isina kusimba base uye mamwe magasi anokosheswa.
6. Sezvo mafuta, makemikari, chikafu, mishonga, mauto, mauto uye dzimwe nzvimbo dzekuvhara mwenje, kukanda mwenje kana mwenje wemugwagwa.