Must be kept closed and locked at all times | |
Can be locked partially open for fresh air | |
Can be left open as a regular practice | |
Can be locked fully open for fresh air |
More than 500 lbs of allowed hazardous materials | |
Class 2 poison | |
Tear gas | |
All of these are correct |
6 | |
2 | |
8 | |
0 |