Mankhwalawa ndi osavuta kugwiritsa ntchito komanso odalirika.Kupezeka kwa mitundu yonse ya cylindrical mphero wodula, chodula mphero, chodula ngodya, chodula mphero ndi nkhope Ndege zosiyanasiyana, ndege, poyambira, etc. mbali zooneka mwapadera, monga pamwamba ozungulira, kasinthidwe wa chilengedwe mphero mutu, tebulo lozungulira, worktable kukula kwa makina akhoza zina kukodzedwa, Large makina chida ntchito osiyanasiyana, malinga ndi zosowa wosuta akhoza kukhazikitsidwa kusonyeza chipangizo.