Ключевые слова: access, alcohol, ammunition, bar, beer, boat, business, button, calendar, call, close, communication, computer, danger, dark, day, design, door, drink, element, equipment, gray, grenade, hand, help, house, icon, illustration, internet, key, laboratory, lock, office, open, padlock, password, phone, protect, protection, safe, safety, secure, security, sign, symbol, technology, unlock, web, white,