Columbus, Ohio. Randy Pribble, a bus driver for the Pennsylvania Greyhound Lines, Incorporated, checking the oil in a bus… https://www.rawpixel.com/image/12243053/photo-image-face-person-public-domainFree 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/12304679/image-person-plane-technologyFree Image from public domain licenseProduction. Pratt and Whitney airplane engines. More power for our fighting airmen. A single-row Pratt and Whitney airplane… https://www.rawpixel.com/image/12302164/image-plant-person-planeFree Image from public domain licenseRadford, Virginia. Fred B. Williams from Savannah, Georgia, a safety engineer at the power plant, leaving his home to go to… https://www.rawpixel.com/image/12249042/photo-image-sunset-face-plantFree Image from public domain licenseHalftrac scout cars. When the American assembly line gets down to business, things gets done and done well. The assembling… https://www.rawpixel.com/image/12306543/image-plant-person-technologyFree Image from public domain licenseFreight operations on the Indiana Harbor Belt railroad between Chicago, Illinois and Hammond, Indiana. The crew is going to… https://www.rawpixel.com/image/12291050/photo-image-person-sky-lightFree Image from public domain licenseFreight operations on the Indiana Harbor Belt Railroad between Chicago, Illinois and Hammond, Indiana. The engine crew… https://www.rawpixel.com/image/12291385/photo-image-person-public-domain-womanFree Image from public domain licenseCompleted sanitary privy in Minnesota being inspected by farmer and engineer of Farm Security Administration. Minnesota.… https://www.rawpixel.com/image/12269417/photo-image-person-public-domain-houseFree Image from public domain license[Untitled photo, possibly related to: Freight operations on the Indiana Harbor Belt Railroad between Chicago, Illinois and… https://www.rawpixel.com/image/12291358/photo-image-person-sky-public-domainFree Image from public domain license