Cov yam ntxwv ua tau:
Kev ua haujlwm ntawm qhov kub zoo, lubricity, oxidation ruaj khov;
Nws muaj qee yam kev ua haujlwm los tiv thaiv xeb, uas tuaj yeem tiv thaiv qhov ntub ntawm qhov chaw ntawm xeb;
Nws tuaj yeem khiav rau lub sijhawm luv luv ntawm qhov kub uas nyob ze rau qhov chaw poob.
Cov cuab yeej siv tau:
Cov cuab yeej siv hlau dov thiab cov khoom siv sintering xws li kev sib txuas lub cav nruam, lub tshuab nruam casting, tapping cov menyuam rooj, ect;