Ключевые слова: alert, application, attention, background, business, caution, computer, connection, danger, dirty, disconnect, engineering, error, failure, failure icon, flat, grunge, handdrawn, hazard, icon, industrial, industry, internet, isolated, lettering, maintenance, management, mechanical, mistake, problem solving, progress, recovery, repair, risk, service, sign, solution, splashes, symbol, system, tablet, technical, technician, trouble, typography, warning, web, word, work,