1. It is used to break up dirt or soil. (Upper boxes) 2. It is used to remove heavy accumulations of soil that are difficult to remove with detergents, solvents, and acids. (Middle boxes) 3. It is used to remove grease from surfaces on oven tops, counters, and grill backsplashes. (Middle boxes) 4. It is used to remove hard mineral deposits and rust. (Lower boxes)​