Ключевые слова: accident, alarm, alert, attention, available, beware, broken, careful, caution, danger, dangerous, depression, error, exclamation, fail, failure, focus, glass, hazard, icon, important, magnifier, maintenance, mark, message, mistake, not found, notice, notification, notify, oops, page, problem, program, question, repair, risk, security, service, sign, stop, support, symbol, system, technical, trouble, upgrade, warn, web, website,