Part three discusses why and how slow-rolling can cause failure to sleeve bearings, discusses steam turbine failures due to water slugging, why incorrect heat-up can lead to major machinery failures, why centrifugal compressors surge, problems associated with cavitation and recirculation in pumps, dangers associated with contaminated lube oil, if switching pumps is necessary, and the necessity of exercising trip steam turbine trip-throttle valves. 38:00.