Final answer:
Before utilizing a three-compartment sink, you must wash, rinse, and sanitize all surfaces, including sinks, drainboards, and backsplash. This ensures the sink is clean and ready for use.
Step-by-step explanation:
Before utilizing a three-compartment sink, you must wash, rinse, and sanitize all surfaces, including sinks, drainboards, and backsplash. This process ensures that the sink is clean and ready for use. It is important to follow proper sanitation procedures to prevent the spread of bacteria and maintain hygiene standards.