A na-eme akpa a nke ihe mejupụtara ihe mejupụtara atọ (MOPP / PET / PE), oyi akwa dị n'elu bụ ihe nkiri MOPP, na mmetụta oyi na-eme ka ọ dị mma, nke na-eme ka ọ dịkwuo elu. N'etiti oyi akwa bụ ọcha cowhide mkpuchi aluminized PET, nke nwere ike igbochi ọkụ ma gbochie ultraviolet radieshon. Igwe dị n'ime bụ PE, nke nwere ihe mkpuchi dị mma yana ezigbo ihe mgbochi.
Enwere ike mechie akpa nwere zipa maka ojiji ọzọ.