Kutentha kochepa komanso kuthamanga kwambiri valavu, mapaipi oponderezedwa, uinjiniya wamadzimadzi, zida zoboola mafuta, zida zakumunda zamafuta, njinga yopinda, galimoto ya ana
1. Pamwamba posalala, mwaluso kwambiri.
2. Ulusi wapamwamba kwambiri, ukhoza kupititsa patsogolo ubwino wonse wa workpiece.
3. Kuyikako kumakhala kofulumira komanso kosavuta, ndipo mtedza wofananira umagwiritsidwa ntchito kugwirizanitsa ndi kumangirira.