Ihe nkiri mkpuchi Micro-porous
Ihe na-adịghị ize ndụ, mmiri mmiri na-eguzogide ọgwụ na 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 n'úkwù.