NASA Dryden senior machinist Keith Day describes the functions of a vertical milling center in the Center's experimental fabrication shop to followers of NASA's social media accounts.
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NASA Dryden senior machinist Keith Day describes the functions of a vertical milling center in the Center’s experimental fabrication shop to followers of NASA’s social media accounts during the NASA Social at the Dryden Flight Research Center.September 20, 2012
NASA Photo / Tom Tschida