E Aluminiyɔmu bobine ka waati kɛcogo ɲuman b’a to a bɛ se ka sigida cogoya gɛlɛnw muɲu, i n’a fɔ funteni jugumanba, UV fiɲɛ, ani ji. O b’a to a bɛ bɛn kɛnɛma baarakɛcogo ma, a bɛna a ka kulɛri ɲɛnama ni a ka fini jɛman mara yɔrɔ min na san nataw kɔnɔ.