Question

all flammable materials should be stored * 1 point
in approved containers
away from other flammable materials such as wood or paper
in a cool area
all of the above

Explanation:

Flammable materials need to be stored in approved containers to prevent leakage and accidental ignition. Storing them away from other flammable materials reduces the risk of a chain - reaction fire. Keeping them in a cool area minimizes the chance of spontaneous combustion due to heat. So all the given methods are correct for storing flammable materials.

Answer:

D. all of the above