https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12149220Edit ImageSaveSaveEditCropCustom TextInstructor and class 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 928 px | 300 dpiLarge JPEG 3500 x 2706 px | 300 dpiBest Quality JPEG 13978 x 10806 px | 300 dpiTIFF 13978 x 10806 px | 300 dpi | 288.33 MBFree DownloadInstructor and class at the vocational school for aircraft construction workers. San Diego, California by Russell LeeMore