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From page 1...
... The objective of every maintenance department is to anticipate repairs and initiate activities that prevent mechanical failures. Transit agencies perform various preventive maintenance (PM)
From page 2...
... • When carrying out PMIs, 60% use skilled technicians, 16% entry-level personnel, and 24% use other skill levels (typically a combination of both skilled and unskilled)
From page 3...
... examined a technician certification program established by Whatcom Transit in Washington State to make certain all technicians perform bus inspections in a like manner according to agency-established requirements. The certification program pairs experienced technicians with new hires to ensure they can correctly perform PM inspections.

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