Kapaw ai lam n nga ai-pan ni a service life hpe lam law law a majaw hkra machyi shangun ai raitim, madung hku nna gaw shaning 10 ning kaw nna 30 ning lapran rai nga ai.
Arung arai ni a hkam kaja lam gaw ahkyak ai lam langai re. Hpa majaw nga yang, n-gun ja ai arung arai ni hte rawt jat galu kaba wa ai galaw shapraw ai ladat ni hte galaw da ai, n-gun ja ai bawm kapaw ai lam hpe n-gun ja ai panel ni gaw, grup yin shingra tara hpe grau hkam sharang lu nna, shaning 25 ning kaw nna 30 ning du hkra jai lang lu ai. N kaja ai-panel ni hpe 10 ning kaw nna 15 ning laman sha galai ra na re.
Operating galaw ai makau grup yin mung ahkyak ai. Katsi ai shara, hka lim ai shara, shing nrai, n-gun ja ai acid hte alkali n-gun ja ai zawn re ai shara ni hta, bawm kapaw ai-hkap la lu ai panel ni gaw hkra machyi chye ai majaw, shanhte a bungli galaw ai aten hpe 10 ning kaw nna 15 ning du hkra kadun shangun ai. N-gun n rawng ai shara ni hta, shanhte a bungli galaw ai lam gaw grau ngang grin nna, shanhte a magam bungli prat hpe galu shangun ai.
Dai hta n-ga, gram lajang ai lam gaw shanhte a magam bungli prat hpe mung hkra machyi shangun ai. Kaji kajaw hkra machyi ai hpe ayan jep joi, jasan jaseng, alawan gram lajang ai gaw, bawm kapaw ai-proof panel ni a prat hpe galu shangun lu ai. N yu lanu lahku ai gaw, shanhte a asak kaba wa nna, hkra machyi ai lam ni hpe lawan shangun chye ai.
