This document provides natural remedies for removing stains from various surfaces without using environmentally harmful chemicals. It recommends using baking soda, toothpaste, lemon juice, vinegar, or white chalk to remove stains from clothes. For wood stains, it suggests baking soda, oil-based products like mayonnaise, or rubbing the stain with butter or petroleum jelly. For steel, it recommends sprinkling flour and buffing. And for ceramic, soaking in a solution of baking soda and vinegar can remove deeper stains.