https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12171107Edit ImageSaveSaveEditCropCustom TextOil field worker screwing nipple on end of drill stem for test to determine direction and draft of drilling operations, Kilgore, Texas by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 841 px | 300 dpiLarge JPEG 3500 x 2452 px | 300 dpiBest Quality JPEG 4308 x 3018 px | 300 dpiTIFF 4308 x 3018 px | 300 dpi | 24.8 MBFree DownloadOil field worker screwing nipple on end of drill stem for test to determine direction and draft of drilling operations, Kilgore, Texas by Russell LeeMore