Final answer:
Food handlers must use a three-compartment sink to dump dirty mop water.
Step-by-step explanation:
Food handlers must use a three-compartment sink to dump dirty mop water.
The three-compartment sink is a large sink that has three separate compartments, each with a specific purpose.
The dirty mop water should be poured into the first compartment, which is used for washing, and then disposed of properly.