... time,can make full of its advantage to save a large area,such as the fuel tank, Operation:When ... extinguisher to the fire quickly, stopped and ignition in a 10 meters distance , one cast jet hose,put both hands ... valve handles turn 90 degrees, can be extinguishing spraying foam. If the valve installed in spray gun place, by ... for operating the gun open valve. Wheeled Mechanical Foam Fire Extingusher