Final answer:
Food service personnel ensure that food is prepared and served safely, following health and safety regulations.
Step-by-step explanation:
In the context of the question, the subject is Health. The question discusses the presence of food service personnel on duty every day. This relates to the importance of having staff available to handle food preparation, service, and sanitation in places like restaurants, cafeterias, and other food establishments. Food service personnel ensure that food is prepared and served safely, following health and safety regulations.