Automation System
Light sensors:

come in a wide variety of mounting styles
work in direct sunlight
None of these
cannot be used a s limit switches.
never use infrared light as light source

ANSWER DOWNLOAD EXAMIANS APP

Automation System
The "walk-through" method of programming a robot involves:

moving the robot from one location to another
None of these
physically moving the robot through all the motions it is to repeat
All of these
walking through your suggested procedure with your supervisor prior to programming

ANSWER DOWNLOAD EXAMIANS APP