https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12149227Edit ImageSaveSaveEditCropCustom TextClass in machine education at the San Diego Vocational School. There are forty to fifty machines constantly in operation in this class. 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 918 px | 300 dpiLarge JPEG 3500 x 2676 px | 300 dpiBest Quality JPEG 14002 x 10706 px | 300 dpiTIFF 14002 x 10706 px | 300 dpi | 286.16 MBFree DownloadClass in machine education at the San Diego Vocational School. There are forty to fifty machines constantly in operation in this class. San Diego, California by Russell LeeMore