Tempering furnace ni hpe nbung hta magri daw ni hpe katsi shangun na matu, shing nrai, n-gun n rawng ai sha, n-gun n rawng ai sha, n-gun n rawng ai sha, n-gun dat ni hpe n-gun jaw na matu lang ai. Shanhte hpe hpaga lam hta grai lang ma ai. Tempering furnaces ni gaw ladat law law hta bungli galaw ai: matut manoi nbung katsi ai, nbung katsi ai nbung laru, nitrate hpe n-gun jaw ai. Furnace amyu shagu hta tinang a matu jai lang ai lam nga ai.
Matut manoi nbung katsi ai wan n-gun wan wut ni. Ndai zawn re ai wan wut ai lam hpe lai wa sai shaning ni hta, hka lim ai aten hta galaw shapraw ai bungli hta grai lang wa sai. Shi a akyu ni hta, nbung katsi ai hte aten hpe hkang lu ai, wan n-gun hpe hkye la lu ai. Spring coiling jak langai a shawng kaw tawn da ai rai yang, coiling hte stress hpe shayawm ya lu na matu, shi hkrai shi galaw shapraw ai line hpe galaw na matu jai lang mai ai. Wan wut ai wan wut ai wan n-ga hte box{4}} wan wut ai wan wut ai wan wut ai wan wut ai wan n-ga hpe katsi katsang re ai. Wan wut ai shara gaw grau bung ai, raitim, hkam la ai aten gaw nitrate tempering furnace ni hta grau galu ai.
Nitrate hpe n-gun shayawm ai wan wut ni hpe gaw, hka hpawk galaw ai ni gaw, madung hku nna galaw da ai. Nitrate tempering furnace ni a akyu ni gaw kaga wan wut ni hta grau lawan ai hte n-gun n law ai aten kadun ai aten ni rai nga ai. Raitim, shanhte a n kaja ai lam ni gaw n bung ai nbung katsi ai lam hte wan wut ai shara kata na ntsin gaw hka lim ai shara de shang wa chye ai, dai gaw grau nna sau-quenched hte tempered spring wire hpe grau nna hkra machyi shangun ai. Dai majaw, nitrate furnace hta tsi lajang ai hka hpawk ni hpe hka hte jasan jaseng nna, anti{4}}}rust hka hpe minit law law lup bang ra ai.
