1.1990 ning hta dai arung arai ni gaw galai shai ai lam hta lawan ai sha n-ga, n-gun n law ai hte creep. n law ai refractoriness law law nga ai.
2．quartz crystal hpe galai shai na matu hte n-gun rawng ai n-gun hpe gram lajang na matu, n-gun rawng ai n-gun atsam hpe n-gun jaw ai lam hpe n-gun jaw ai lam hpe hkrak hkrak madun dan ai.
3．Hpa majaw nga yang, n-gun rawng ai hka hte equation mixture: automatic compounding system hte n-gun ja ai kayau kaya ai lam gaw, dai arung arai a langai sha re ai hpe kam shangun ai.
4.Model galaw ai hta grai kungkyang ai hpaji masa gaw, hkrak tup ai arung arai ni hpe madun dan ai: n-gun ja ai lam hpe jat ya nna, product a n-gun hpe madi shadaw ya ai..
5．Dai 1990 ning
