Bethlehem-Fairfield shipyards, Baltimore, Maryland. Girl welder resting on a welding machine. Sourced from the Library of… https://www.rawpixel.com/image/12293102/photo-image-face-hand-personFree Image from public domain licenseFreight train operations on the Chicago and Northwestern Railroad between Chicago and Clinton, Iowa. At the end of the trip… https://www.rawpixel.com/image/12290922/photo-image-people-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Freight train operations on the Chicago and Northwestern Railroad between Chicago and… https://www.rawpixel.com/image/12290890/photo-image-people-public-domain-natureFree Image from public domain licenseChicago, Illinois. A welder's helper at a Chicago and Northwestern Railroad repair shop. Sourced from the Library of… https://www.rawpixel.com/image/12288554/photo-image-face-person-public-domainFree Image from public domain license[Untitled photo, possibly related to: Bethlehem-Fairfield shipyards, Baltimore, Maryland. A welder eating ice cream].… https://www.rawpixel.com/image/12293116/photo-image-face-person-smokeFree Image from public domain license