Tili ndi antchito athu ogulitsa, masitayilo ndi mapangidwe, ogwira ntchito zaukadaulo, gulu la QC ndi ogwira ntchito phukusi. Tili ndi njira zowongolera bwino kwambiri pamakina aliwonse. Komanso, ogwira ntchito athu onse ndi odziwa bwino ntchito yosindikiza kuti akhale abwino