Ключевые слова: bank, banking, bill, black, box, business, care, cash, code, combination, concepts, currency, deposit, dollar, door, finance, financial, insurance, investment, isolated, lock, metal, money, object, one, open, password, prosperity, protect, protection, robbery, safe, safety, savings, secrecy, secure, security, single, solid, stainless, stealing, steel, storage, strength, success, system, treasure, trust, unlocking, wealth,