Ключевые слова: air, airfield, alarm, ambulance, assisting, aviation, bright, care, covid19, critical, cross, doctor, dramatic, emergency, engine, flight, health, help, hope, hospital, hurry, infection, machine, man, medical, medicine, motion, occupation, orderly, pandemic, paramedic, physician, preparedness, profession, propeller, red, rescue, running, safety, salvation, service, sky, staff, support, transport, treatment, urgent, vehicle, virus, yellow,