Vibrations, Vibration monitoring, Condition monitoring, Predictive maintenance, PDM program, Vibration instrumentation, Vibration diagnostics, Vibration analyzer, Vibration meter, On-line Condition monitoring, Field balancing, Balancing, Portable balancer, Vibration sensors, Stroboscope, Stethoscope, Operation deflection shapes, Spectral analyzer, FFT analysis, Spectrum, Data collector, Bearings, Bearing condition, Data acquisition software.