Ключевые слова: damage, disaster, disaster dispatch, disaster prevention, disaster prevention helicopter, doctor helicopter, emergency, emergency training, evacuation, evacuation drills, exercise, fire, fire brigade, fire extinguishing, firefighter, firefighting, firefighting training, first ceremony, flow, helicopter, hose, relief helicopter, rescue, safety, safety measure, seaside, self defense force, ship, training, water discharge, water discharge training, water flow, water splash, yokohama,