Page 46 - Fundamental Of Design In Mechanical Engineering
P. 46
Typical human behavior
1. People are often reluctant to admit errors
2. People usually perform task while thinking about other things
3. People frequently misread or overlook instructions and labels
4. People often respond irrationally in emergency
5. A signification percentage of people become complacent after
successfully handling dangerous item over a long period of time
6. Most people fail to recheck outlined procedures for errors
7. People are generally poor estimators of speed, clearance or
distance. They frequently overestimate short distance and
underestimate large distance.
8. People are generally too impatient to take the time need to
observe
9. People are often reluctant to admit that they cannot see object
well, due either too poor eyesight or to inadequate illumination.
They generally use their hand examine or testing 46
