https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12150406Edit ImageSaveSaveEditCropCustom TextIn the classroom at the vocational school for aircraft construction workers. San Diego, California by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 930 px | 300 dpiLarge JPEG 3500 x 2712 px | 300 dpiBest Quality JPEG 13993 x 10843 px | 300 dpiTIFF 13993 x 10843 px | 300 dpi | 289.63 MBFree DownloadIn the classroom at the vocational school for aircraft construction workers. San Diego, California by Russell LeeMore