Jiuding teepu na elu adhesion na ntụnyere na resin bụ ihe kwesịrị ekwesị maka ijide mmanye n'oge mmepụta nke ikuku agụba.
Ifufe agụba
Jiuding teepu na elu adhesion na ntụnyere na resin bụ ihe kwesịrị ekwesị maka ijide mmanye n'oge mmepụta nke ikuku agụba.
