Kumvetsetsa Ntchito Yoipitsitsa ya Anthu Ophunzira a Belt Conveyor m’Kusamalira Zinthu Zabwino
Kumvetsetsa Ntchito Yovuta ya Belt Conveyors m’Tabe la Kusamalira Nkhani ya Zinthu 1. n. ii. iggkomanso mphamvu' mphamvu Anthu. anso komanso mphamvu' mphamvu mlandu Anthu 3.1. Kodi Zinthu Zimene Zingachitike?