- Ntchito ndi makhalidwe
1.1 Makamaka ntchito mayunitsi kafukufuku sayansi ndi mafakitale zipangizo plasticity (mphira, pulasitiki), kutchinjiriza magetsi ndi zinthu zina ukalamba mayeso.
1.2 Kutentha kwakukulu kogwira ntchito kwa bokosi ili ndi 300 ℃, kutentha kwa ntchito kungakhale kuchokera ku firiji kupita ku kutentha kwapamwamba kwambiri, mkati mwamtunduwu akhoza kusankhidwa mwakufuna, pambuyo pa kusankha kungapangidwe ndi dongosolo lolamulira lokha mu bokosi kusunga. kutentha kosasintha.