By applying OUR environmentally safe. Restore USA products. To surfaces. Removes stubborn stains like OIL. Grease. Tire marks. Efflorescence (CALCIUM/LIME deposits). Rust. Fertilizer and Battery acid stains. GUM. Alga mildew and mold. Tarnish and OXIDATION. OUR professionally trained applicators provide professional restorative services and take careful consideration of your landscape and real estate investment and facilities.