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The next time you’re waiting for your plane to depart from Seattle-Tacoma International Airport, take a look out your window.

If you’re lucky enough to have a view, you’ll see a small army of specialized machinery: Trucks with conveyor belts load your baggage onto the plane, tankers refill the aircraft with jet fuel, and other vehicles cart gear between the runway and hangers.

A new program offered by South Seattle College certifies students in maintaining and repairing these machine

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