Ключевые слова: access, bridge, business, button, clasp, close, closed, code, combination, concept, door, gate, gold, house, icon, in trance, iron, key, keyhole, latch, lock, locked, metal, metallic, modern, money, object, old, open, padlock, padlocks, privacy, private, protect, protected, protection, safe, safeguard, safety, secret, secure, security, sign, steel, system, technology, unlock,