Shanhte a makawp maga ai atsam grai kaja ai majaw, bawm kapaw ai lam-hkap la lu ai hka htung ni hpe -hkrit tsang hpa kaba ai bungli amyu myu hta grai lang ma ai, ga shadawn:
1. Petrochemical hte refining hpaga lam ni hta, wan n-gun a majaw byin pru wa ai bawm kapaw ai lam hpe pat shingdang na matu madung jai lang ma ai.
2. Foundry hte jak rung galaw ai hta, shanhte a anti-static bungli gaw ahkyak ai shara hpe hkam la nga ai.
3. Lusha galaw shapraw ai hte nhprang sut rai galaw shapraw ai zawn re ai hpaga lam ni gaw shanhte a ga nhpu kapaw ai hpe makawp maga ya lu ai atsam hpe kam hpa nga ma ai.
4. Gas cylinder hte gas cylinder zawn re ai pressure vessel ni hta, n-gun n-gun n-rawng ai hka htung ni gaw, n-gun grai law ai hpe makawp maga ai arung arai ni hku nna magam gun nna, hka htung hpe shim lum ai pressure hta bungli galaw lu hkra galaw ya ai.
