Kwenikweni chilichonse mwa zinthu izi chidwi ndi inu, chonde tidziwitseni. Tidzakhala akonda kukupatsani anawatenga pa chiphaso cha specifications munthu mwatsatanetsatane. Ife patokha katswiri R & D enginners kukumana aliyense wa requriements, ife akuyembekezera kulandira enqu anu ...