Pamene ntchito CHIKWANGWANI laser kudula makina, ayenera okonzeka ndi mpweya wothandiza.Izi zimagwiritsidwanso ntchito pa makina odulira chitoliro cha CHIKWANGWANI laser.Mpweya wothandizira nthawi zambiri umakhala ndi mpweya, nayitrogeni ndi mpweya woponderezedwa.Zomwe zimagwiritsidwa ntchito pamipweya itatu ndizosiyana.Chifukwa chake ndi awa ...