Hpa majaw nga yang, n-gun rawng ai valve ni hpe petrochemical, sau, malu masha, lu sha, tsi hte hkamja lam, wan n-gun, hpun palawng, laika ka ai hte nsam chya ai, hka hpe jasan jaseng ai, grup yin hpe makawp maga ai, nta hka jaw ai, boiler hka jaw ai hpaga lam ni hta law law lang lang ai, hka hpe exgree temperature n galaw ai.
Pump valve hte hand wheel hpe gara hku shingdaw na ngu ai hpe shi a bungli galaw ai atsam ningja ni hpe madung tawn nna, arung arai lang ai lam hte kaga, grau hpaji masa hte hkam la mai ai shingdaw ai lam hte bungli manang ni lang ai n-gun grai ja ai, n-gun n law ai, ra kadawn ai arung arai ni hpe jaw ya ai.
