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The National Air Transportation Association
http://www.nata.aero/ |
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ASM International - The Materials Information Society
http://www.asminternational.org/ |
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The American Society for Nondestructive Testing (NDT)
http://www.asnt.org/ |
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The Professional Aviation Maintenance Association (PAMA)
http://www.pama.org/ |
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Aviation Technician Education Council
http://www.atec-amt.org/ |