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A Marine adjusts his flat leg divider to accurately measure the distance between two holes he plans on drilling into a metal plate he was given during a Hole Quality Course at the Marine Aviation Logistics Squadron 12 Airframes’ warehouse here May 4. During the course, the Marines learned the process involved in properly lubricating their drill bits and how to drill at a true 90-degree angle into aluminum, titanium and steel.
110504-M-0000M-008.jpg Photo By: Cpl. Claudio A. Martinez

May 4, 2011
A Marine adjusts his flat leg divider to accurately measure the distance between two holes he plans on drilling into a metal plate he was given during a Hole Quality Course at the Marine Aviation Logistics Squadron 12 Airframes’ warehouse here May 4. During the course, the Marines learned the process involved in properly lubricating their drill bits and how to drill at a true 90-degree angle into aluminum, titanium and steel.


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