Question

question 19
dry powder special compound (d) extinguishers can be used on ii types of fires.
true
false
question 20
most accidents are caused by carelessness.
true
false

Explanation:

Dry powder special compound (D) extinguishers are designed for specific metal - type fires and not just II types of fires. In general, most accidents are indeed often caused by carelessness due to human error in various scenarios.

Answer:

Question 19: B. False
Question 20: A. True