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Old 08-09-2007, 07:42 PM
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heath heath is offline
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Join Date: Mar 2003
Location: Los Angeles, CA
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Re: Air Force Memorial, Art and Engineering

Yes the streaks are intentional -- they are grind marks in the stainless created with flap discs (some people call them "mop discs") on a grinder. The discs that look like this:

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