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1.56 Semi Finished Blue ịkpụ foto na-aga n'ihu na lensị anya anya isi awọ
Resin bụ ihe kemịkalụ nwere usoro phenolic. Igwefoto resin dị arọ, oke okpomọkụ na-eguzogide, mmetụta na-eguzogide adịghị mfe imebi, agbajikwa enweghị akụkụ na akụkụ, nchekwa, nwere ike igbochi ụzarị ultraviolet nke ọma, oghere resin bụkwa ụdị ugogbe anya anya maka ndị myopia ugbu a.
