Dub annealed hlau tau txais nws lub npe los ntawm nws cov xim dub tshwj xeeb, uas los ntawm kev sib ntxiv ntawm cov txheej txheem tiv thaiv corrosive tom qab txheej txheem annealing. Nws yog siv nyob rau hauv ntau hom kev lag luam thiab cov neeg siv khoom siv, nrog rau kev sib tw, thiab kev ua haujlwm ntawm tes

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