Question

question 25
what do the symbols on a fire extinguisher indicate?
a minimum charge level
b recommended frequency of inspections
c number of times the extinguisher can be used
d size and type of fire the extinguisher can put out

Explanation:

Fire - extinguisher symbols denote the classes of fires (e.g., Class A for ordinary combustibles, Class B for flammable liquids etc.) and the size of fire it can handle, helping users choose the right extinguisher for a particular fire situation.

Answer:

D. size and type of fire the extinguisher can put out