What to know
Blind area diagrams represent the operator's ability to see objects at different elevations.
![catrm500.jpg Cat RM 500](/niosh/motor-vehicle/constructionequipmentvisibilitydiagram/images/machineicon/recyclers/200/catrm500.jpg)
Content Source:
National Institute for Occupational Safety and Health
Blind area diagrams represent the operator's ability to see objects at different elevations.