Ka ọchichọ ahịa na-abawanye, obere igwe igwe na-ekpo ọkụ na-enye uru dị ukwuu maka mmepụta obere obere. E jiri ya tụnyere nnukwu akụrụngwa, ha na-egosipụta ntinye ego dị ala n'ihu, mbelata ọnụ ahịa ebu, nrụpụta ike, mmezi pere mpe, yana oge nhazi ngwa ngwa. Igwe ndị a na-eme ka mmepụta ihe na-agbanwe agbanwe, na-efu ọnụ, belata ihe egwu egwu, ma nọgide na-aba uru maka R&D na nlele ọbụna dị ka ọnụ ahịa azụmaahịa.
Ọkachamara n'ịrụpụta igwe thermoforming.
Asụsụ
