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Pages 7-9

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From page 7...
... Rather, it is the combination of long work periods and other non-duty factors that contribute to on-the-job fatigue, by limiting the available time for recreation, rest, and sleep. Over extended working periods, repeated inadequate sleep periods can result in accumulated sleep debt and associated operator fatigue.
From page 8...
... . Changing or Rotating Work Schedules Many commercial transportation operations require frequent changes or rotations in schedule.
From page 9...
... Acoustical Noise Operators are exposed to engine noises in all transportation vehicles, as well as related noises emanating from controls, transmissions, braking systems, and wind streams. Some of these noises present more of a hearing-conservation issue than a driver fatigue issue.


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