https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3578833Edit ImageSaveSaveEditCropCustom TextU.S. Air Force airman puts pressure on his arm after donating blood. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGBanner JPEG 1200 x 800 px | 300 dpiLarge JPEG 3500 x 2333 px | 300 dpiBest Quality JPEG 5184 x 3456 px | 300 dpiFree DownloadU.S. Air Force airman puts pressure on his arm after donating blood. Original public domain image from FlickrMore