1.A ga-atụle ume iku ume maka tarpaulins, karịsịa maka tarpaulins ndị agha. Ihe na-emetụta mmetụta nke ikuku permeability na-agụnye usoro nhazi, njupụta, ihe onwunwe, ụdị ihe nhicha mmiri na-adịghị ọcha, resin adhesion, wdg Site na mmụba nke resin adhesion, ikuku permeabili ...
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