1. Ndi kupita patsogolo kosalekeza kwaukadaulo, zinthu za rabara zakhala zikugwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Waya ndi chingwe, mphira chingwe, conveyor lamba, payipi mphira, mpweya ngalande, lamba mphira, ndi mankhwala mphira ntchito mu makampani amagetsi ndi magetsi ayenera kukwaniritsa lolingana kuima dziko ...
Werengani zambiri