NSK mtundu wapamwamba kwambiri wodzipangira mpira wonyamula
Bearing structure analysis
Ubwino wa mankhwala
Mbali ndi phindu
Chiwonetsero chazinthu
Makhalidwe a mankhwala
Kutengera mawonekedwe osiyanasiyana
Zowonetsera Zamalonda
Mbali
Kulongedza ndi kutumiza
Kugwiritsa ntchito
