1. Turn on everything¶
To use the laser, one needs to turn on:
- The laser
- The ventilation
- The computer
You can read those steps in the procedure.
Exercise 1: practice¶
Read the steps in the procedure to turn on everything.
Do so.
Exam¶
Preparation:
- Turn off the laser
- Turn off the ventilation
- Turn off the computer
Within 5 minutes:
- Turn on the laser
- Turn on the ventilation for two hours
- Turn on the computer