Wayne County Airport, a United States Army Air Corps air ferry command base sixteen miles from Detroit, Michigan. Factory… https://www.rawpixel.com/image/12289163/photo-image-person-grass-skyFree Image from public domain licenseDump truck which carries materials for use in construction of Shasta Dam, Shasta County, California. This truck uses butane… https://www.rawpixel.com/image/12173224/image-person-art-vintageFree Image from public domain licenseEnvironmental Conservation Windmill Outdoors Green Concept https://www.rawpixel.com/image/72980/premium-photo-image-wind-field-alternative-energy-blueView licenseMachinery used in stationary-type mechanical hop picker, Yakima County, Washington by Russell Lee https://www.rawpixel.com/image/12171508/image-person-art-vintageFree Image from public domain licenseDigital settings icon vector illustration https://www.rawpixel.com/image/475890/free-photo-image-access-accessibility-backgroundView licenseHill Wind Turbine Green Outoors Environmetal Conservation Concept https://www.rawpixel.com/image/72964/premium-photo-image-green-industry-agriculture-choiceView licenseExamining sheets of steel after rolling. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12272236/photo-image-person-technology-public-domainFree Image from public domain licenseWindmills with Sunset Dusk Sky Outdoors https://www.rawpixel.com/image/3247/premium-photo-image-wind-turbines-alternative-conservationView licenseLarge tanks used for mixing powdered gold ore with cyanide solution to extract gold and silver. Gold mine at Mogollon, New… https://www.rawpixel.com/image/12172971/image-art-vintage-goldFree Image from public domain licenseTopeka, Kansas. A general view of a part of the locomotive shops of the Atchison, Topeka, and Santa Fe Railroad. Sourced… https://www.rawpixel.com/image/12290106/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Tapping a furnace at the foundry of the Farrell-Binmingham Company, Ansonia… https://www.rawpixel.com/image/12262629/photo-image-person-light-public-domainFree Image from public domain license[Untitled photo, possibly related to: Getting machinery ready for the grinding season, Bethlehem Sugar Mill, St. Croix… https://www.rawpixel.com/image/12264678/photo-image-person-technology-public-domainFree Image from public domain licenseChicago, Illinois. In the Chicago and Northwestern locomotive repair shop. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288809/photo-image-person-technology-public-domainFree Image from public domain licenseRemains of old Gulf States paper mill, Plaquemines Parish, Louisiana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12256018/photo-image-paper-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: At the Mary-Leila cotton mill in Greensboro, Georgia]. Sourced from the Library of… https://www.rawpixel.com/image/12262668/photo-image-person-art-technologyFree Image from public domain licenseGradient Color Effect Photo Fashion Designer Job https://www.rawpixel.com/image/12672/premium-photo-image-art-blue-clothesView licenseClovis, New Mexico. Refacing the tires of a locomotive with a Ledgerwood apparatus. The locomotive is drawn down the rails… https://www.rawpixel.com/image/12293718/photo-image-person-public-domain-architectureFree Image from public domain licenseHolabird ordnance depot, Baltimore, Maryland. A soldier cementing the inner side wall of a truck tire; he is preparing this… https://www.rawpixel.com/image/12294246/photo-image-person-art-technologyFree Image from public domain licenseWaiting for the signal to take off. Washington, D.C. municipal airport. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278416/photo-image-person-sky-airplaneFree Image from public domain licenseNew machinery, just delivered, awaiting installation at the Pratt and Whitney plant as part of the expansion program. East… https://www.rawpixel.com/image/12277935/photo-image-plant-airplane-technologyFree Image from public domain licenseGradient Color Effect Photo Fashion Designer Job https://www.rawpixel.com/image/12568/premium-photo-image-analyzing-art-bookView licenseAir pollution background https://www.rawpixel.com/image/11560047/air-pollution-backgroundView licenseChicago, Illinois. Working on a locomotive at the Chicago and Northwestern Railroad repair shops. Sourced from the Library… https://www.rawpixel.com/image/12288541/photo-image-person-airplane-technologyFree Image from public domain license[Untitled photo, possibly related to: Getting machinery ready for the grinding season, Bethlehem Sugar Mill, St. Croix… https://www.rawpixel.com/image/12264090/photo-image-person-public-domain-factoryFree Image from public domain licenseFollowing a strip through the rolling mill. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273785/photo-image-person-technology-public-domainFree Image from public domain licenseDigging a well for families moving into FSA (Farm Security Administration) prefabricated houses from the Camp Croft area.… https://www.rawpixel.com/image/12278554/photo-image-person-sky-public-domainFree Image from public domain licenseGradient Color Effect Photo Fashion Designer Job https://www.rawpixel.com/image/12508/premium-photo-image-sew-art-blendView licenseLa Goulette, Tunis. One of the turbines which supplies electric power to al the Tunis area. This is the only one of the… https://www.rawpixel.com/image/12295256/photo-image-person-technology-public-domainFree Image from public domain licenseLimestone crusher at limestone quarry. CCC (Civilian Conservation Corps) cooperating with SCS (Soil Conservation Service).… https://www.rawpixel.com/image/12282858/photo-image-dog-person-skyFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560046/air-pollution-backgroundView license[Untitled photo, possibly related to: A truckload of chickens at a truck service station on U.S. 1 (New York Avenue)… https://www.rawpixel.com/image/12262394/photo-image-person-sky-public-domainFree Image from public domain licenseNew York, New York. Ice used to store fish in ships. Sourced from the Library of Congress. https://www.rawpixel.com/image/12294310/photo-image-person-public-domain-fishFree Image from public domain licenseCans of cherries on way to sealing machine. Door County, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282954/photo-image-person-public-domain-womanFree Image from public domain licenseIndustrial Construction Engineer Pollution https://www.rawpixel.com/image/91618/free-photo-image-industry-harbour-businessView licenseGreensboro, Georgia. In the Mary-Leila cotton mill. Sourced from the Library of Congress. https://www.rawpixel.com/image/12280055/photo-image-person-technology-public-domainFree Image from public domain licenseGradient Color Effect Photo Fashion Designer Job https://www.rawpixel.com/image/12408/premium-photo-image-art-blue-chooseView licenseEnsenada, Puerto Rico. In the sugar mill of the South Puerto Rico sugar company. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283799/photo-image-person-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Dimension lumber plant at Tygart Valley Homesteads, West Virginia. They cut wood to… https://www.rawpixel.com/image/12282980/photo-image-plant-person-woodFree Image from public domain license[Untitled photo, possibly related to: Saint Croix Island, Virgin Islands. Reconditioning machinery in the Bethlehem sugar… https://www.rawpixel.com/image/12281110/photo-image-person-technology-public-domainFree Image from public domain licenseBus trip from Knoxville, Tennessee, to Washington, D.C. Mechanic rebuilding bus motor at the garage of the Tennessee Coach… https://www.rawpixel.com/image/12297429/photo-image-person-art-technologyFree Image from public domain licenseArtisan working with wood https://www.rawpixel.com/image/16429/premium-photo-image-accuracy-artisan-beardedView licenseArtisan working with wood https://www.rawpixel.com/image/16425/premium-photo-image-accuracy-bearded-cabinet-makerView licenseCylinders for Pratt and Whitney engines being painted. East Hartford, Connecticut. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278940/photo-image-person-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Getting machinery ready for the grinding season, Bethlehem Sugar Mill, St. Croix… https://www.rawpixel.com/image/12263298/photo-image-person-technology-public-domainFree Image from public domain licenseIn the Missiquoi Corporation paper mill. Sheldon Springs, Vermont. Sourced from the Library of Congress. https://www.rawpixel.com/image/12280061/photo-image-paper-person-technologyFree Image from public domain licenseKeystone Drilling Company, Beaver Falls. Idle automatic screw machines. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283546/photo-image-person-technology-public-domainFree Image from public domain licenseArtisan working with wood https://www.rawpixel.com/image/16349/premium-photo-image-accuracy-cabinet-maker-carpenterView licenseFarmer with water tank, Parke County, Indiana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252840/photo-image-person-public-domain-kidFree Image from public domain license[Untitled photo, possibly related to: Rotary vacuum filter used for removing cyanide solution containing gold from the… https://www.rawpixel.com/image/12171650/image-art-vintage-goldFree Image from public domain licenseKingman (vicinity), Arizona. An interior view of a concentrating plant where tungsten ore is crushed. The ore comes from the… https://www.rawpixel.com/image/12297279/photo-image-plant-wood-public-domainFree Image from public domain licenseDigital settings icon vector illustration https://www.rawpixel.com/image/475966/free-photo-image-spare-parts-access-accessibilityView licenseA drill press in operation at the Pratt and Whitney Aircraft Corporation. East Hartford, Connecticut. Sourced from the… https://www.rawpixel.com/image/12277674/photo-image-person-airplane-technologyFree Image from public domain licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. Reel storage. Sourced from the Library of Congress. https://www.rawpixel.com/image/12293165/photo-image-sky-wood-public-domainFree Image from public domain licenseChicago, Illinois. In a Chicago and Northwestern Railroad locomotive repair shop. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288574/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Boeing aircraft plant, Seattle, Washington. Production of B-17F(Flying Fortress)… https://www.rawpixel.com/image/12296900/photo-image-plant-person-skyFree Image from public domain licenseCommission merchants, Washington Market, New York City. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273598/photo-image-person-horse-roadFree Image from public domain licenseCreative Design Dress Fashion Trend Stylish Concept https://www.rawpixel.com/image/12160/premium-photo-image-cloth-clothes-clothingView licenseCarpenter woodworker working for house renovation https://www.rawpixel.com/image/102266/premium-photo-image-joiner-board-builderView licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58562/premium-photo-image-barista-tablet-adult-applianceView licenseBarista Cafe Making Coffee Service Concept https://www.rawpixel.com/image/58558/premium-photo-image-shop-employee-tablet-adult-applianceView licenseDrilling for water at the Palmerdale Homesteads near Birmingham, Alabama. Sourced from the Library of Congress. https://www.rawpixel.com/image/12267616/photo-image-plant-person-skyFree Image from public domain licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58538/premium-photo-image-shop-employee-tablet-adult-applianceView licenseChicago, Illinois. In the Chicago and Northwestern Railroad repair shops. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288707/photo-image-person-public-domain-factoryFree Image from public domain licenseMan Barista Coffee Shop Cafe Happiness Concept https://www.rawpixel.com/image/58530/premium-photo-image-apron-bar-counter-baristaView licenseFashion Designer Stylish Showroom Concept https://www.rawpixel.com/image/12104/premium-photo-image-artist-aspiration-businessView license[Untitled photo, possibly related to: Filling cans with tomato juice. Phillips Packing Company, Cambridge, Maryland].… https://www.rawpixel.com/image/12286357/photo-image-person-technology-public-domainFree Image from public domain licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58514/premium-photo-image-adult-apron-barView licenseSaint Croix Island, Virgin Islands. Reconditioning machinery in the Bethlehem sugar mill. Sourced from the Library of… https://www.rawpixel.com/image/12279938/photo-image-person-technology-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58506/premium-photo-image-adult-apron-barView licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58502/premium-photo-image-adult-apron-barView licenseSan Sebastian, Puerto Rico (vicinity). In a sugar mill near San Sebastian. Sourced from the Library of Congress. https://www.rawpixel.com/image/12280562/photo-image-person-technology-public-domainFree Image from public domain licenseWorking on the intricate job of fitting the engine to the fuselage of a plane at The Vought Sikorsky Aircraft Corporation.… https://www.rawpixel.com/image/12277657/photo-image-person-plane-technologyFree Image from public domain license[Untitled photo, possibly related to: Chicago, Illinois. The Chicago and Northwestern Railroad locomotive repair shop].… https://www.rawpixel.com/image/12289931/photo-image-person-public-domain-factoryFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58494/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58490/premium-photo-image-adult-apron-barView license[Untitled photo, possibly related to: Greensboro, Greene County, Georgia. The Mary-Leila cotton mill]. Sourced from the… https://www.rawpixel.com/image/12281379/photo-image-person-technology-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58486/premium-photo-image-waiter-adult-apronView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58470/premium-photo-image-adult-apron-barView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58466/premium-photo-image-adult-apron-barView licenseChicago, Illinois. Working on a locomotive at the Chicago and Northwestern Railroad repair shops. Sourced from the Library… https://www.rawpixel.com/image/12288785/photo-image-person-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Bingham Canyon, Utah. Loading ore into car with a power shovel at an open-pit mine of… https://www.rawpixel.com/image/12295485/photo-image-public-domain-architecture-constructionFree Image from public domain license[Untitled photo, possibly related to: Refuse from rice mill constitutes a very small percentage of total. Most of the… https://www.rawpixel.com/image/12167160/image-art-vintage-public-domainFree Image from public domain licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58438/premium-photo-image-adult-apron-barView licenseSteam shovel loading truck, Chicago, Illinois. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259695/photo-image-steam-person-skyFree Image from public domain licenseBarista Cafe Making Coffee Preparation Service Concept https://www.rawpixel.com/image/58422/premium-photo-image-appliance-apron-attractiveView license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Driving piles for the foundations for a new… https://www.rawpixel.com/image/12297550/photo-image-person-sky-public-domainFree Image from public domain licenseGear Cogwheel Machine Detail Inside Steel https://www.rawpixel.com/image/237263/premium-photo-image-background-cog-cogwheelView licenseCafe Coffee Waiter Staff Serving Cafeteria Apron Concept https://www.rawpixel.com/image/58406/premium-photo-image-adult-appliance-apronView licenseBarista Cafe Coffee Uniform Apron Service Shop Concept https://www.rawpixel.com/image/58402/premium-photo-image-adult-apron-barView license