A na-eji igwe eji emeju katrij aka eme ihe nke ukwuu maka ijupụta ụdị mmanụ dị iche iche, dịka mmanụ lithium, mmanụ mineral, mmanụ dị arọ, mmanụ mmiri, mmanụ mmanu, mmanụ na-ebu ibu, mmanụ dị mgbagwoju anya, mmanụ ọcha/na-acha ọcha/na-acha akwụkwọ ndụ akwụkwọ ndụ, wdg.
Ọ dịkwa mma maka ihe mkpuchi silicone, ihe mkpuchi PU, ihe mkpuchi MS, ihe nrapado, ihe mkpuchi butyl, wdg.







































































































