Cov roj lim tsis txuas ntxiv tshem tawm cov ntoo, hmoov av, thiab cov khoom siv oxidation los ntawm lubricating roj, tswj kev ruaj khov viscosity thiab kev ua tau zoo. Lawv yog qhov tseem ceeb rau kev tiv thaiv cov khoom siv ntsuas ua haujlwm xws li gearboxes, lubrication tshuab, ntxaiv, thiab turbines, thiab turlles, thiab turbines, thiab turlles, thiab Turrines, thiab Turrines,
