Ключевые слова: access, background, brass, clear padlock, close, closeup, concept, iron, key, keys, lever tumblers, lock, locking mechanism, metal, metallic, nobody, object, padlock, padlocks, pin, privacy, protect, protection, safe, safeguard, safety, secure, security, shackle, springs, steel, strength, strong, symbol, system, unlock, unlocked, white,