Zimawonetsa kukana bwino kusalowerera ndale. Izi za alloy zimapanga mwa khumi ndi chimodzi, filimu yoteteza yomwe siyitalikirapo, koma imasunganso kukana kwa makutina kuposa kutentha.
Zolinga za mafakitale, m'mapaipi apakati, nthawi zambiri timafunikira kusintha njira yoperekera; Sungani madzi oyenda (mafuta ndi mpweya, madzi, matope); Tseki lotseguka kapena pafupi, motero, kuti mukwaniritse izi, zotchinga zachitsulo zidzagwiritsidwa ntchito.