a glass particulate called "frit" is applied and the cookware is baked in ovens between 1200 and 1400 degrees Fahrenheit to transform the frit into a smooth porcelain surface that is bonded to the iron
can be hand cranked
Simply shake contents out into garden or pot with soil
30th Anniversary Edition
BWI-Schulenburg - Come and Get It Spinosad Plus preserving a glass particulate called "frit"Formulation: Iron Phosphate 0. 97% and Spinosad 0. 07%. Kills snails, slugs, ants, (excluding fire ants, harvester ants, Pharaoh ants and carpenter ants), and other listed insects. Also kills earwigs, cutworm, sowbugs, pillbugs, crickets. For use around vegetables, fruit trees, citrus, berries, ornamentals, shrubs, flowers, trees, lawns, gardens, and in greenhouses (non commercial).