Ключевые слова: abstract, background, banking, banknote, bill, blue, business, calculation, care, cash, check, clinic, coin, coins, concept, copy space, currency, diagnosis, disease, doctor, dollar, economy, equipment, examination, exchange, expensive, finance, financial, health, healthcare, healthy, heart, heartbeat, hospital, illness, income, instrument, insurance, investment, medical, medicine, money, patient, pharmacy, red, savings, space, stethoscope, treatment,