Chimodzi ndikuchita ntchito yabwinowaya wamalatama CD, kupewa kugunda, kuonetsetsa kukhulupirika kwa nthaka wosanjikiza;
Awiri ndi kulabadira kusungirako ndi ntchitowaya wamalatamankhwala, malinga ndi mfundo zenizeni zachilengedwe kusankha specifications kanasonkhezereka waya mankhwala;
Chachitatu ndikuchita ntchito yabwino yopangira silika pamalo opangira silika mwaukhondo komanso mwaudongo, molingana ndi njira yasayansi yogwiritsira ntchito popanga, woyendetsa ayenera kuvala chovala chofunikira.Ngati kutentha kuviika kanasonkhezereka waya mankhwala, tiyenera kuchita ntchito yabwino ya passivation mankhwala, adzatha bwino kupewa ma discoloration, kutalikitsa njira kusinthika, angathe kuthetsa vuto la kusinthika.
Nthawi yotumiza: 31-05-23