Chiphunzitso chogwira ntchito：

Mwa kupompa uvuni pasadakhale kuti utsi utuluke kenako n’kutenthetsa kuti kutentha kukhazikike, kupopera ammonia kuti igwiritsidwe ntchito popopera nitride, kenako kupopera ndi kupoperanso, pambuyo pa maulendo angapo kuti mufike pa kuya kwa nitride.

Ubwino:

Yerekezerani ndi kuyika nitridi ya gasi yachikhalidwe. Chifukwa cha ntchito ya pamwamba pa chitsulo mu vacuum heating, kuyika nitridi ya vacuum kumakhala ndi mphamvu yabwino yoyamwa, kuti ichepetse nthawi yogwirira ntchito, kuuma kwambiri,molondolakuwongolera, kugwiritsa ntchito mpweya pang'ono, gawo loyera lokhuthala kwambiri.