Ihe na-adịghị ize ndụ, mmiri na-eguzogide ọgwụ na ihe nkiri ihe nkiri micro-porous na-eku ume, nchebe siri ike ma na-eguzogide ọtụtụ kemịkalụ ọkụ na acid.
Na mkpuchi, zipped n'ihu, enweghị akpa na elasticated na nkwojiaka, nkwonkwo ụkwụ na ukwu
Ụdị 5/6
