Ключевые слова: adjustment, alertness, anticipated, avoidance, awaited, break down, breakdown, business, check, cleaning, concept, condition monitoring, conservation, control, detector, diagnosis, equipment, foreseen, impending, industrial, lifespan, machine, maintenance, malfunction, measurement, parts, planned, pm system, precaution, preservation, prevention, preventive, proactive, protect, regular, repair, routine, safeguard, safety, save, scheduled, service, shut down, still working, transducer, upkeep, warning, wear and tear,