Can be locked partially open for fresh air | |
Can be left open as a regular practice | |
Must be kept closed and locked at all times | |
Can be locked fully open for fresh air |
Tear gas | |
All of these are correct | |
Class 2 poison | |
More than 500 lbs of allowed hazardous materials |
At the beginning of the next shift | |
Immediately | |
Once per week | |
At the end of the shift |