• Polystyrene n-gun hpe hka lim ai baw hte kayau nna, nbung n-gun kaba hte n-gun kaba ai npu hta extruder lang nna shapraw ai.
• Extrusion galaw ngut ai hpang, dai mixture hpe lawan ladan katsi shangun nna, matut manoi sheet byin hkra hkrang shapraw ai.
• Process a arawn alai: N-gun ja ai-hkum hkrang hpe n-gun dat shapraw ai shaloi, n-gun n-gun n-rawng ai molecular structure hte n-gun n-rawng ai pores ni hpe tsep kawp pat da ai.
