A na-eji ọnụ ụlọ ule ịka nká UV eme ihe iji mebie mmebi nke ìhè anyanwụ, iru mmiri na okpomọkụ na ihe.Ihe na-eme agadi na-agụnye ịka nká, nkwụsị nke gloss, peeling, nchicha, mbelata ike, mgbawa, na oxidation.Site na ịmegharị ìhè anyanwụ, condensation, na hum...
GỤKWUO