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Removing a tire from a bus at the Greyhound garage. Sourced from the Library of Congress. https://www.rawpixel.com/image/12241056/photo-image-face-person-public-domainFree Image from public domain licenseIn the Vought-Sikorsky Aircraft Corporation, Stratford, Connecticut. Sourced from the Library of Congress. https://www.rawpixel.com/image/12240879/photo-image-person-airplane-technologyFree Image from public domain licenseBLM Equipment InspectionsThe Bureau of Land Management sent Equipment Shop employees to the BFX Fire Apparatus factory in… https://www.rawpixel.com/image/11071922/photo-image-fire-public-domain-factoryFree Image from public domain licenseBlue Island, Illinois. Portrait of Daniel Senise. Sourced from the Library of Congress. https://www.rawpixel.com/image/12290466/photo-image-face-person-airplaneFree Image from public domain licenseAt the assembly line in the Vought-Sikorsky Aircraft Corporation, Stratford, Connecticut. 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Under the skilled hands of trained workers, the engine for an Army halftrac scout car begins to take… https://www.rawpixel.com/image/12306739/image-hands-person-technologyFree Image from public domain licenseWorkmen on the final assembly of a plane at the Vought Sikorsky Aircraft Corporation. Stratford, Connecticut. Sourced from… https://www.rawpixel.com/image/12325837/image-person-plane-technologyFree Image from public domain licenseNashville, Tennessee. Vultee Aircraft Company. In the engine installation section. Sourced from the Library of Congress. https://www.rawpixel.com/image/12304033/image-person-airplane-technologyFree Image from public domain license[Untitled photo, possibly related to: Working on an engine of one of the airliners. Washington, D.C. municipal airport].… https://www.rawpixel.com/image/12279376/photo-image-person-sky-airplaneFree Image from public domain licenseOn the assembly line in the Vought-Sikorsky Aircraft Corporation, Stratford, Connecticut. 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Money from DOE’s Energy I-Corps program will help the technology… https://www.rawpixel.com/image/11071413/photo-image-hand-person-public-domainFree Image from public domain license211208-N-DN159-1007 ATLANTIC OCEAN (Dec. 8, 2021) Aviation Structural Mechanic 3rd Class Kade Mckinney, from Wayland, Iowa… https://www.rawpixel.com/image/9652846/image-face-hand-personFree Image from public domain licenseCyber protection png badge element, transparent background https://www.rawpixel.com/image/9216932/cyber-protection-png-badge-element-transparent-backgroundView licenseCyber protection png circle badge element, transparent background https://www.rawpixel.com/image/9211081/cyber-protection-png-circle-badge-element-transparent-backgroundView licensePng spanner vintage cartoon clipart https://www.rawpixel.com/image/2419137/free-illustration-png-mechanic-transparent-spannerView licenseWilliam John MacQuorn Rankine, C.E, LL.D, Professor of Civil Engineering and Mechanics by Thomas Annan https://www.rawpixel.com/image/14318944/image-face-hand-personFree Image from public domain licenseBar Harbor, Maine. 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