LEVEL 3





Please refer the real case to get the information



1. What is the factor of Heinrich's Domino Theory?
a. Human error.
b. 5-Ps concept.
c. Data collection.
d. Unsafe act.

2. In this case, what is the unsafe act?
a. The worker worked under the poured concrete floor.
b. Welding.
c. Repair the machine.
d. None of above.

3. What is the final accident?
a. Fire.
b. Explosion.
c. The podium collapsed.
d. All of above.

4. How to avoid this accident?
a. Nothing to do.
b. Remove the unsafe act.
c. Clean the podium every day.
d. All of above.

5. How many people were injured and death in this case?
a. 9.
b. 10.
c. 11.
d. 12.