Brass berew be kurun kɔnɔ ani Marine ka ɛnzeniyɛri .

Kɔgɔji lamini ka nɔgɔ barikaman ani kɔgɔji yɔrɔ kɔgɔnin sifaw be sariyaw sigi ka ɲɛsin minanw ka nɔgɔw kɛlɛli ma. Bolo nɛgɛw (sanko lavass brass, i n’a fɔ HSn70-1), k’a sababu kɛ u ka fani ye, u be filimu dɔ dilan min basiginin lo oksidi kan, o min b’a to u be kɛ fɛɛn ye min ka di kurunw ye, baji kɔnɔ jii be bɔ ani u be se ka yɛlɛma. Ɲɛyirali fɛ, jɛgɛminɛkuru sifa dɔ be bɔ HSn70-1 zira la, ani a ka saan o saan nɔgɔ hakɛ be 0,02mm dɔrɔn, o min ka dɔgɔ ni 0,5mm ye karbɔni nɛgɛ gansan 0,5mm dɔrɔn lo la, o be dɔ bɔ a ladonni musakaw la kosɔbɛ.