Njira yochotsera fumbi m'magawo awiri, mwachitsanzo kusesa ndi kukanikiza fumbi, imagwiritsidwa ntchito. Pamene pepala lili pa lamba wonyamulira, fumbi lomwe lili pamwamba pake limachotsedwa ndi burashi yozungulira tsitsi ndi mzere wa burashi, kuchotsedwa ndi fan yoyamwa ndikuyendetsedwa ndi choyamitsira chamagetsi chotenthetsera. Mwanjira imeneyi fumbi lomwe limayikidwa papepala posindikiza limachotsedwa bwino. Kuphatikiza apo, pepala limatha kunyamulidwa molondola popanda kubwerera kapena kusuntha pogwiritsa ntchito dongosolo laling'ono komanso kapangidwe ka lamba wonyamulira limodzi ndi mpweya woyamwa bwino.