Okwu Mmalite, ọ dịtụla mgbe ị na-eche ihe na-eme n'azụ ihe nkiri tupu ihe nkiri PETG abanye n'ahịrị mmepụta gị? Ma ị bụ onye na-emepụta ngwá ụlọ, onye na-ebubata, ma ọ bụ onye na-ekesa ihe, ịghọta usoro nkwakọ ngwaahịa na ịkwanye ihe nkiri PETG maka mbupu nwere ike inye gị obi ike karị.