CHAPTER 4 Human Factor
Important Points
- Ambient light...............Minimum level
- Task light.........Maximum level
- Highest temperature of human body is.........at a/noon
- Alertness is lowest when body temperature is lowest
- Vibration less than 3 HZ affects
- Aletness ....................with temperature
Chapter 5 Human Factor
- Change from sitting to standing position ......after 1 hr
- Change from monitoring in atleast........after 1 / 2 hrs
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