2. Chikamu chekuzadza:
● Muchina wekuzadza une michina yekusimudza zvinhu zvakaita sechitubu kuti uvandudze mabhodhoro egirazi, rutsigiro rukuru rwemabheyaringi rwuchidonha muvhati uye kushandiswa kwetsvimbo yekutungamira mukutarisa chimiro, kune zvinhu zvekutanga kufukidza.
● Mavharuvhu ekuzadza ane chubhu refu anoshandiswa, CO2 ichichinjana zvizere nemhepo iri mumabhodhoro egirazi, ine mwero wemvura yesilinda uye kumanikidzwa kwemusana kunodzorwa nechiratidzo chinoshanduka zvinoenderana. Inokurumidza, yakagadzikana, yakarurama, kuti ifukidzwe imwe panguva.