Production. Blood transfusion bottles. In a small plant working under subcontract, John Kerr operates a turret lathe for… https://www.rawpixel.com/image/12306595/image-face-plant-handFree Image from public domain licenseG.F. Bailey, scientific aid, at work on carotene test of dehydrated vegetables at the regional agricultural research… https://www.rawpixel.com/image/12144937/image-person-art-vintageFree Image from public domain licenseScientist clipart, laboratory technician, career cartoon illustration psd https://www.rawpixel.com/image/6235919/psd-sticker-journal-collageView licenseAdjusting the fibre board machine. Timber Mechanics Section, Forest Products laboratory. Madison, Wisconsin by Russell Lee https://www.rawpixel.com/image/12147640/image-person-art-vintageFree Image from public domain licenseLaboratory at EPA's Las Vegas National Research Center technician holds up an air filter, May 1972. Photographer: O'Rear… https://www.rawpixel.com/image/8770691/photo-image-person-human-fingerFree Image from public domain licensehttps://s.mj.run/Yhp2Qh-cJhs A close up photo of doctor hand hold medicine capsule, rubber glove , hologram, white… https://www.rawpixel.com/image/12009659/photo-image-hand-person-medicineView license[Untitled photo, possibly related to: Laboratory, Department of Agriculture Experimental Farm, Beltsville, Maryland].… https://www.rawpixel.com/image/12308396/image-person-technology-public-domainFree Image from public domain licenseTaking samples for Babcock test for butterfat at the Dairymen's Cooperative Creamery. 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Land O'Lakes plant, Minneapolis, Minnesota. 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