Miwa mungdan na hpaji ninghkring langai mi hku nna, anhte gaw, anhte a hkamja lam hpe p-phelenediamine system. ni hpe mari na matu, n-gun ja ai hte kaja dik htum ai manu jahpu ni hte, rubber tsi mawan, rubber jat bang ai hte hkyen lajang da ai rubber arung arai ni hpe jaw ya ai.
