1. Denga lophatikizika, zinthu zonse zokongola, zapamwamba kwambiri.
2. Njira yophatikizira mpweya, mpweya waukulu, wotetezeka komanso wogwira ntchito bwino wa inverter.
3. Bokosi ndi kabati zimaphatikizidwa, ndipo gawo lililonse la bokosi losintha likuphatikizidwa ndi bokosi la bokosi, ndipo maonekedwe ndi apamwamba.
4. Malowa amawongoleredwa, kugwiritsa ntchito mokwanira malo omwe ali m'bokosi, omwe ndi abwino kuti awonedwe ndi kukonzanso.