2016-2-11 · Amazing weather today at PMFC. ... It is getting closer to a reliable airframe! "Do or Do not. There is no try" -Yoda. ... PMFC day. by Dave Wilshere on ...
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Hot alkaline process is a formation of black oxide coating on the surface of the part immersed into a boiling aqueous alkaline solution of oxidizing salts. Hot alkaline process is the most popular
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