Paper pulp being churned in a large vat at the Mississquoi Corporation paper mill at Sheldon Springs, Vermont. Sourced from… https://www.rawpixel.com/image/12279991/photo-image-background-paper-frameFree Image from public domain licenseButter in churn at the Dairymen's Cooperative Creamery. Caldwell, Canyon County, Idaho by Russell Lee https://www.rawpixel.com/image/12149818/image-art-vintage-public-domainFree Image from public domain license