1. Nzvimbo dzine mimwe mvura, yakanyorova uye inorema munyu wemunyu.
2. Iyo yekushanda nharaunda yakanyorova uye kune nzvimbo yemaputi yemvura.
3. Kukwirisa hakupfuure 2000m.
4. Iyo yekushanda nharaunda haina kana guruva rinopisa sejecha neguruva.
5. Iyo yekushanda nharaunda ine magasi anokatyamadza senge asina kusimba acids uye asina kusimba zvigadziko.
6. Inoshanda kune petroleum, makemikari, chikafu, mishonga, mauto, mauto uye dzimwe nzvimbo.
7. Kubatana kwechiedza, simba, kudzora uye kutaurirana mitsara.