Ключевые слова: alarm, alert, background, checking, connection, construction, control, danger, emergency, equipment, extinguish, extinguisher, fighting, fire, fire hydrant, firefighter, gauge, hazard, holding, industrial, industry, measurement, office, panel, person, pipeline, precaution, pressure, prevent, prevention, professional, protection, pump, red, safety, security, service, smoke, sprinkler, system, technology, valve, walky talky, wall, warning, watercourse,