What is the purpose of a three-compartment sink?

The purpose of a three-compartment sink is primarily to clean, rinse, and sanitize dishes, making this answer accurate. This specialized sink setup is integral in food service environments to ensure proper dishwashing protocols are followed.

In a three-compartment sink, each compartment serves a distinct function: the first is used for washing dishes with soapy water, the second is intended for rinsing off any soap or residue, and the third compartment is designated for sanitizing the dishes in a solution that effectively kills harmful bacteria. This systematic approach helps prevent cross-contamination and maintains food safety standards critical in commercial kitchens.

The other options describe practices that may be related to food safety but do not specifically pertain to the established and regulated function of a three-compartment sink. While storing leftover food safely is essential in food safety, it does not relate to the operation of a three-compartment sink. Similarly, providing different water temperatures for each task or aiding in food preparation are not primary functions of this particular setup, which is solely focused on the cleaning and sanitizing process.