https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14016193Edit ImageSaveSaveEditCropCustom TextA man is hammering at a metal container on an anvil. Wood engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 806 x 1200 px | 300 dpiLarge JPEG 1312 x 1953 px | 300 dpiFree DownloadA man is hammering at a metal container on an anvil. Wood engraving.More