https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13952805Edit ImageSaveSaveEditCropCustom TextLeft, a worker carrying some equipment ; right, a knife sharpener, sharpening a knife. Gouache painting by an Indian artist.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 937 px | 300 dpiLarge JPEG 3161 x 2468 px | 300 dpiFree DownloadLeft, a worker carrying some equipment ; right, a knife sharpener, sharpening a knife. Gouache painting by an Indian artist.More