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Automobiles to 40 mm. anti-aircraft guns. Every inch of every 40 mm. anti-aircraft gun barrel made in this… https://www.rawpixel.com/image/12301950/image-face-plant-personFree Image from public domain licensethree separate sheets; battle scene at sea, with two men wearing white loincloths swimming in foreground, with their swords… https://www.rawpixel.com/image/7653666/image-arrows-vintage-artFree Image from public domain licenseLatin man mockup png with mask tan line closeup portrait https://www.rawpixel.com/image/2845473/free-illustration-png-man-skin-vacation-tanView licenseAustralia in the war. Australian military police, astride American motorcycles, stage a demonstration for distinguished… https://www.rawpixel.com/image/12308637/image-face-person-womanFree Image from public domain licensePng Covid-19 face mask closeup image on transparent background https://www.rawpixel.com/image/9977405/png-face-personView licenseConversion. Beverage containers to aviation oxygen cylinders. With the outside and inside of non-shatterable oxygen cylinder… https://www.rawpixel.com/image/12306872/image-hand-person-artFree Image from public domain licenseProduction. Subchasers. This adzeman, adept at an ancient trade, hones a razor-edge on a tool that is indispensable in… https://www.rawpixel.com/image/12302241/image-person-man-fashionFree Image from public domain licenseProduction. Subchasers. An old shipwright gives his skill and experience to the building of subchasers in an Eastern… https://www.rawpixel.com/image/12301833/image-face-person-skyFree Image from public domain licenseShipbuilding. "Liberty" ships. 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The ship in the foreground is a C-46 transport, originally designed as a commercial plane to carry a crew… https://www.rawpixel.com/image/12240954/photo-image-tigers-sky-planeFree Image from public domain licenseShipbuilding. "Liberty" ships. Use of a former Pullman car plant for the prefabrication of many sections used in the ships… https://www.rawpixel.com/image/12107341/image-face-plant-handFree Image from public domain licenseShipbuilding. "Liberty" ships. 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