Overalls on farmer, Grundy County, Iowa. Sourced from the Library of Congress. https://www.rawpixel.com/image/12313306/image-hand-person-public-domainFree Image from public domain licenseBlack protective fabric face mask on a mannequin https://www.rawpixel.com/image/2438296/free-photo-image-air-pollution-black-blank-spaceView licenseA pair of watches with with black straps and a marble finish on the watch face. https://www.rawpixel.com/image/11524206/photo-image-face-marble-public-domainFree Image from public domain licenseBlack foam mask with valve on white mannequin head https://www.rawpixel.com/image/2438162/free-photo-image-valve-face-mask-air-pollution-blackView licenseBlack foam mask with valve on white mannequin head https://www.rawpixel.com/image/2438256/free-photo-image-valve-face-mask-air-pollution-blackView licensePutting steel straps in place to hold pressed cotton after pressure has been removed, Lehi, Arkansas cotton gin by Russell… https://www.rawpixel.com/image/12107387/image-person-art-vintageFree Image from public domain licenseBlack protective fabric face mask on a mannequin https://www.rawpixel.com/image/2438120/free-photo-image-air-pollution-black-clipping-pathView licenseSmartwatch screen mockup digital device https://www.rawpixel.com/image/2726775/premium-photo-image-accessory-advertisement-blackView licenseBlack protective fabric face mask on a mannequin https://www.rawpixel.com/image/2437506/free-photo-image-air-pollution-black-blank-spaceView licenseBlack protective fabric face mask https://www.rawpixel.com/image/2444855/free-photo-image-ppe-face-reusable-mask-air-pollutionView license[Untitled photo, possibly related to: Putting steel straps in place to hold pressed cotton after pressure has been removed… https://www.rawpixel.com/image/12168279/image-person-art-vintageFree Image from public domain licenseRemains of abandoned gold mill equipment steel web belt and pulleys. Telluride, Colorado by Russell Lee https://www.rawpixel.com/image/12150436/image-art-vintage-goldFree Image from public domain licenseHomemade vehicle to which ties are strapped for hauling down the mountain, Pie Town, New Mexico by Russell Lee https://www.rawpixel.com/image/12171610/image-shadow-art-vintageFree Image from public domain licenseCloseup of watch clock time https://www.rawpixel.com/image/52474/premium-photo-image-clock-closeup-countdownView licenseStand for strapping in horses while being shod. Forest County lumber camp. Wisconsin by Russell Lee https://www.rawpixel.com/image/12148551/image-plant-person-artFree Image from public domain license