What is the first thing a food handler should do when preparing a three compartment sink?

The first thing that the food handler must do is to clean and rinse the sinks, of a three compartment sink. Then, the food handler must rinse, scrape and soak the food items. The first sink is used for pre-soaking, second is used to rinse the food items and the third is used to sanitize the food items

Answercirculatory,blood moves oxygen;