Working on an aircraft engine casing at the Pratt and Whitney Aircraft plant in East Hartford, Connecticut. Sourced from the… https://www.rawpixel.com/image/12279262/photo-image-plant-person-technologyFree Image from public domain licenseStudents and instructor preparing for take off. Meacham Field, Fort Worth, Texas. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270130/photo-image-person-sky-airplaneFree Image from public domain licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237264/premium-photo-image-background-cog-cogwheelView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58407/premium-photo-image-adult-apron-barView licenseCafe Coffee Waiter Staff Serving Cafeteria Apron Concept https://www.rawpixel.com/image/58399/premium-photo-image-adult-appliance-apronView licenseBarista Cafe Apron Cafe Coffee Restaurant Service Concept https://www.rawpixel.com/image/58395/premium-photo-image-adult-appliance-apronView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58383/premium-photo-image-adult-apron-barView licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237236/premium-photo-image-background-cog-cogwheelView licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237228/premium-photo-image-background-cog-cogwheelView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58367/premium-photo-image-adult-apron-barView licenseAir pollution background https://www.rawpixel.com/image/11560050/air-pollution-backgroundView licenseRotary vacuum filter used for removing cyanide solution containing gold from the tailings. Gold mine at Mogollon, New Mexico… https://www.rawpixel.com/image/12173163/image-person-art-vintageFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58359/premium-photo-image-adult-apron-barView licenseOld tube mill in foreground with agitating tank in background. Gold mine at Mogollon, New Mexico by Russell Lee https://www.rawpixel.com/image/12173180/image-background-art-vintageFree Image from public domain licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237200/premium-photo-image-background-cog-cogwheelView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58335/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58327/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58323/premium-photo-image-adult-apron-barView licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237176/premium-photo-image-background-cog-cogwheelView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58319/premium-photo-image-adult-apron-barView licenseBarista Coffee Machine Making Press https://www.rawpixel.com/image/58315/premium-photo-image-aroma-bar-baristaView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58307/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58303/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58299/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58295/premium-photo-image-adult-apron-barView licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237148/premium-photo-image-background-cog-cogwheelView licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237140/premium-photo-image-background-cog-cogwheelView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58283/premium-photo-image-business-owner-adult-apronView licenseIron ore going down chute into hold of boat. Allouez, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284847/photo-image-person-wood-roadFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58275/premium-photo-image-adult-apron-barView license[Untitled photo, possibly related to: Steelworker at galvanizing machine, Pittsburgh, Pennsylvania]. Sourced from the… https://www.rawpixel.com/image/12253338/photo-image-person-art-technologyFree Image from public domain license[Untitled photo, possibly related to: Columbia Steel Company at Ironton, Utah. Pouring a heat of iron]. Sourced from the… https://www.rawpixel.com/image/12297361/photo-image-person-public-domain-factoryFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58263/premium-photo-image-adult-apron-barView licenseBottling milk. Duluth Milk Company. Duluth, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285120/photo-image-person-technology-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58259/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58255/premium-photo-image-adult-apron-barView licenseAlbuquerque, New Mexico. An engine being carried to another part of the Atchison, Topeka and Santa Fe Railroad shops to be… https://www.rawpixel.com/image/12292516/photo-image-plant-person-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58247/premium-photo-image-adult-apron-barView license[Untitled photo, possibly related to: Finished propellers. Hamilton propeller plant. East Hartford, Connecticut]. Sourced… https://www.rawpixel.com/image/12285784/photo-image-plant-person-public-domainFree Image from public domain licenseNashville, Tennessee. Vultee Aircraft Company. Working on the landing gear of a bomber. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288058/photo-image-person-airplane-technologyFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58243/premium-photo-image-adult-apron-barView licenseCoffee preparation at a cafe https://www.rawpixel.com/image/58239/premium-photo-image-appliance-apron-attractiveView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58235/premium-photo-image-adult-apron-barView licenseOne of the part-time farmers who works in the lumber mill. Loogootee, Wabash Farms, Indiana. Sourced from the Library of… https://www.rawpixel.com/image/12273969/photo-image-person-technology-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58227/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58219/premium-photo-image-adult-apron-barView licenseCoffee Machine Portafilter Steam Barista Shop Concept https://www.rawpixel.com/image/58215/premium-photo-image-appliance-apron-attractiveView licenseCoffee Machine Portafilter Steam Barista Shop Concept https://www.rawpixel.com/image/58211/premium-photo-image-appliance-apron-attractiveView licenseBarista Cafe Apron Cafe Coffee Restaurant Service Concept https://www.rawpixel.com/image/58207/premium-photo-image-adult-appliance-apronView licenseCoffee Machine Portafilter Steam Barista Shop Concept https://www.rawpixel.com/image/58203/premium-photo-image-appliance-apron-attractiveView license[Untitled photo, possibly related to: Waiting for the signal to take off. Washington, D.C. municipal airport]. Sourced from… https://www.rawpixel.com/image/12278651/photo-image-person-sky-airplaneFree Image from public domain licenseCoffee Machine Portafilter Steam Barista Shop Concept https://www.rawpixel.com/image/58195/premium-photo-image-appliance-apron-attractiveView licenseChicago, Illinois. Refacing a wheel in the Chicago and Northwestern Railroad wheel shop. Sourced from the Library of… https://www.rawpixel.com/image/12288559/photo-image-person-technology-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58191/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58187/premium-photo-image-adult-apron-barView licenseLoading crates of fruit onto truck at fruit terminal. Chicago, Illinois. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285821/photo-image-person-light-technologyFree Image from public domain licenseShoveling coal into a conveyer loader, Old Ben number eight. West Frankfort, Illinois (see 26980-D). Sourced from the… https://www.rawpixel.com/image/12272676/photo-image-person-public-domain-manFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58179/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58175/premium-photo-image-adult-apron-barView licenseIn the Mississquoi Corporation paper mill. Sheldon Springs, Vermont. Sourced from the Library of Congress. https://www.rawpixel.com/image/12279952/photo-image-paper-public-domain-factoryFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58171/premium-photo-image-adult-apron-barView licenseCoffee Machine Portafilter Steam Barista Shop Concept https://www.rawpixel.com/image/58167/premium-photo-image-appliance-apron-attractiveView license[Untitled photo, possibly related to: Getting machinery ready for the grinding season, Bethlehem Sugar Mill, St. Croix… https://www.rawpixel.com/image/12264747/photo-image-person-technology-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58159/premium-photo-image-adult-apron-barView license[Untitled photo, possibly related to: Chicago, Illinois. These pneumatic tubes in the Illinois Central Railroad yardmaster's… https://www.rawpixel.com/image/12290831/photo-image-person-art-technologyFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58151/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58143/premium-photo-image-adult-apron-barView licenseFilling cans with tomato juice. Phillips Packing Company, Cambridge, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286370/photo-image-person-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Chicago, Illinois. Refacing a wheel in the Chicago and Northwestern Railroad wheel… https://www.rawpixel.com/image/12288797/photo-image-person-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Seattle, Washington. Boeing aircraft plant. Production of B-17F (Flying Fortress)… https://www.rawpixel.com/image/12297731/photo-image-plant-person-planesFree Image from public domain licenseChicago, Illinois. Working on a locomotive at the Chicago and Northwestern Railroad repair shop. Sourced from the Library of… https://www.rawpixel.com/image/12288540/photo-image-person-public-domain-factoryFree Image from public domain licenseApron Barista Cafe Coffee Pouring Steam Machine Concept https://www.rawpixel.com/image/58103/premium-photo-image-restaurant-business-appliance-apronView license[Untitled photo, possibly related to: Ensenada, Puerto Rico. One of the mills in the South Puerto Rico Sugar Company's… https://www.rawpixel.com/image/12281434/photo-image-plant-person-technologyFree Image from public domain licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58095/premium-photo-image-adult-apron-barView licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58083/premium-photo-image-appliance-apron-attractiveView license[Untitled photo, possibly related to: Loading seventy ton cars with iron ore, Mahoning pit, Hibbing, Minnesota]. Sourced… https://www.rawpixel.com/image/12286589/photo-image-person-sky-public-domainFree Image from public domain licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58079/premium-photo-image-appliance-apron-attractiveView licenseAir pollution background https://www.rawpixel.com/image/11560054/air-pollution-backgroundView licenseChicago, Illinois. Working on a locomotive at the Chicago and Northwestern Railroad repair shop. Sourced from the Library of… https://www.rawpixel.com/image/12288499/photo-image-person-public-domain-factoryFree Image from public domain licenseBarista Cafe Making Coffee Service Concept https://www.rawpixel.com/image/58075/premium-photo-image-shop-employee-tablet-adult-applianceView licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58071/premium-photo-image-appliance-apron-attractiveView licenseCafe Beverage Caffeine Relaxation Drinking Service https://www.rawpixel.com/image/21194/premium-photo-image-small-business-aroma-asianView licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58051/premium-photo-image-adult-appliance-apronView licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58043/premium-photo-image-adult-appliance-apronView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58035/premium-photo-image-adult-apron-barView license[Untitled photo, possibly related to: In the Burlington cooperative milk bottling plant. Burlington, Vermont]. Sourced from… https://www.rawpixel.com/image/12281225/photo-image-plant-person-public-domainFree Image from public domain licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58031/premium-photo-image-adult-appliance-apronView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58023/premium-photo-image-adult-apron-barView licenseIn the Burlington cooperative milk bottling plant. Burlington, Vermont. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282149/photo-image-plant-person-technologyFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58019/premium-photo-image-adult-apron-barView license[Untitled photo, possibly related to: Craft shop at Reedsville, West Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252154/photo-image-person-art-technologyFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58015/premium-photo-image-adult-apron-barView licenseRunning off auction bills. Office of Litchfield Independent. Litchfield, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282731/photo-image-person-technology-public-domainFree Image from public domain license