The blind school, Southwark: with a bustling street scene. Lithograph by L. Haghe, ca.1835, after J. Johnson. https://www.rawpixel.com/image/14000615/image-dog-cloud-horseFree Image from public domain licenseStudieblad met schetsen van een spittende arbeider (1871 - 1906) by Pieter de Josselin de Jong https://www.rawpixel.com/image/13790177/image-paper-cartoon-faceFree Image from public domain licenseGlück, Haupt, Krans, Ritter Scheibe, No. 577 (c. 1825 - c. 1840) by anonymous https://www.rawpixel.com/image/13771802/gluck-haupt-krans-ritter-scheibe-no-577-c-1825-1840-anonymousFree Image from public domain licenseCleaning men window helmet office. AI generated Image by rawpixel. https://www.rawpixel.com/image/13147671/cleaning-men-window-helmet-office-generated-image-rawpixelView licenseVolunteer garbage beach environmentalist. 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A child care center, opened September 15, 1942, for thirty children, age two to five, of mothers… https://www.rawpixel.com/image/12296492/photo-image-face-hand-personFree Image from public domain licenseCleaning out vat in which swiss cheese is made. Madison, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285584/photo-image-person-public-domain-womanFree Image from public domain licenseGilberton, Pennsylvania. A water cleaning tank at the Saint Nicholas breaker. The silt settles and is pumped off. Sourced… https://www.rawpixel.com/image/12275799/photo-image-public-domain-factory-waterFree Image from public domain licensePart of coal mine tipple with workers' homes in background. Pursglove Cleaning Plant No. 2, West Virginia. Sourced from the… https://www.rawpixel.com/image/12249066/photo-image-background-plant-personFree Image from public domain license[Untitled photo, possibly related to: Part of coal mine tipple with workers' homes in background. Pursglove Cleaning Plant… https://www.rawpixel.com/image/12248853/photo-image-background-plant-skyFree Image from public domain license[Untitled photo, possibly related to: Grain trimmer, Duluth, Minnesota]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12260128/photo-image-person-wood-public-domainFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. Painters at work seventy feet above ground on the gigantic… https://www.rawpixel.com/image/12339495/image-background-plant-personFree Image from public domain licenseOn board the fishing boat Alden, out of Glocester, Massachusetts. Fishermen cleaning mackerel. Sourced from the Library of… https://www.rawpixel.com/image/12338118/image-person-public-domain-manFree Image from public domain licenseCleaning completed drilling machine with high pressured jenny. Keystone Drilling Company, Beaver Falls, Pennsylvania.… https://www.rawpixel.com/image/12335953/image-person-public-domain-factoryFree Image from public domain licenseWashington, D.C. Salvage drive, Victory Program. "Cleaning" metal by hammering off parts to separate kinds of metal. Sourced… https://www.rawpixel.com/image/12335156/image-person-art-technologyFree Image from public domain licenseNew York, New York. Preparing the defense bond sales photomural, designed by the Farm Security Administration Administration… https://www.rawpixel.com/image/12322612/image-person-public-domain-factoryFree Image from public domain licenseProduction. Tin smelting. "Bars" of pure tin are trimmed and cleaned before removal from the molds in which they were formed… https://www.rawpixel.com/image/12307891/image-plant-person-artFree Image from public domain licenseIndustrial safety. Accident prevention. A careless employee has injured a fellow worker by leaving oil spilled on the floor.… https://www.rawpixel.com/image/12306616/image-face-person-artFree Image from public domain licenseA halftrac scout car must show a clean bill of health before the manufacturer turns it over to the Army. Endless inspections… https://www.rawpixel.com/image/12306578/image-person-technology-womanFree Image from public domain licenseProduction. Tin smelting. "Bars" of pure tin are trimmed and cleaned before removal from the molds in which they were formed… https://www.rawpixel.com/image/12306990/image-plant-person-factoryFree Image from public domain licenseSteam cleaning an Army halftrac scout car for final painting. One of the last touches a large Midwest plant gives the cars… https://www.rawpixel.com/image/12306550/image-steam-plant-personFree Image from public domain licenseProduction. Tin smelting. "Bars" of pure tin are trimmed and cleaned before removal from the molds in which they were formed… https://www.rawpixel.com/image/12302234/image-plant-person-factoryFree Image from public domain licenseAppliance washing dryer washing machine. AI generated Image by rawpixel. https://www.rawpixel.com/image/12161213/image-technology-illustration-circleView licenseAppliance machine washing dryer. AI generated Image by rawpixel. https://www.rawpixel.com/image/12161147/image-technology-illustration-circleView licenseAppliance machine washing dryer. AI generated Image by rawpixel. https://www.rawpixel.com/image/12161123/image-technology-illustration-circleView licenseComputer portrait holding hardhat. AI generated Image by rawpixel. https://www.rawpixel.com/image/12158416/image-person-cartoon-mobile-phoneView licenseHolding sports adult man. AI generated Image by rawpixel. https://www.rawpixel.com/image/12164848/image-background-green-personView licenseCleaning holding broom green. AI generated Image by rawpixel. https://www.rawpixel.com/image/12164921/image-white-background-personView licenseAircraft airplane vehicle transportation. AI generated Image by rawpixel. https://www.rawpixel.com/image/12156125/image-background-cartoon-planeView licenseHardhat helmet architecture engineering. AI generated Image by rawpixel. https://www.rawpixel.com/image/12156110/image-white-background-personView licenseHardhat helmet city architecture. AI generated Image by rawpixel. https://www.rawpixel.com/image/12164980/image-face-person-cartoonView licenseComputer hardhat helmet architecture. AI generated Image by rawpixel. https://www.rawpixel.com/image/12156106/image-white-background-personView licenseEquipment computer hardhat helmet. AI generated Image by rawpixel. https://www.rawpixel.com/image/12156109/image-white-background-personView licenseCamera photo hand photographing. AI generated Image by rawpixel. https://www.rawpixel.com/image/12067665/photo-image-background-hand-technologyView licenseCleaning equipment adult white background. AI generated Image by rawpixel. https://www.rawpixel.com/image/12022679/image-white-background-peopleView licenseEmptying cleaned rice into hopper for packaging. State rice mill. Abbeville, Louisiana by Russell Lee https://www.rawpixel.com/image/12172829/image-person-art-vintageFree Image from public domain licenseOperator removing bat of cotton from machine. First step of cleaning cotton of trash. Laurel cotton mills, Laurel… https://www.rawpixel.com/image/12173569/image-person-art-vintageFree Image from public domain licenseDirt, straw and water are mixed to form the adobe mixture for bricks, Chamisal, New Mexico by Russell Lee https://www.rawpixel.com/image/12172897/image-person-art-vintageFree Image from public domain licenseAcetylene welding, a necessary part of oil field activities, Seminole, Oklahoma by Russell Lee https://www.rawpixel.com/image/12170233/image-person-art-vintageFree Image from public domain licenseMigrants on the road checking tires at filling station near Henrietta [i.e., Henryetta,] Oklahoma by Russell Lee https://www.rawpixel.com/image/12170190/image-person-art-vintageFree Image from public domain licensePrivy plant. Cleaning metal forms for sanitary privy base. Southeast Missouri Farms Project by Russell Lee https://www.rawpixel.com/image/12168528/image-plant-person-artFree Image from public domain licenseSalinas, California. Intercontinental Rubber Producers. Spreading guayule seed in flats for drying by Russell Lee https://www.rawpixel.com/image/12152422/image-person-art-vintageFree Image from public domain licenseCleaning screens used in grading at peanut-shelling plant. Comanche, Texas by Russell Lee https://www.rawpixel.com/image/12146932/image-plant-person-artFree Image from public domain licenseConversion. Copper and brass processing. Stocks of partially completed lengths of seamless copper tube in many sizes. These… https://www.rawpixel.com/image/12107339/image-background-art-vintageFree Image from public domain licenseConversion. Copper and brass processing. This is a stock of semi-finished strip copper in rolls. This metal will be rolled… https://www.rawpixel.com/image/12107324/image-person-art-vintageFree Image from public domain licenseFish seafood animal freshness. 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