Answer:

Cleaning is the process of removing unwanted substances, such as dirt, infectious agents, and other impurities, from an object or environment

Sanitizing is defined as cleaning something to make it free of bacteria or disease causing elements.

The objective of cleaning and sanitizing food contact surfaces is to remove food (nutrients) that bacteria need to grow, and to kill those bacteria that are present. It is important that the clean, sanitized equipment and surfaces drain dry and are stored dry so as to prevent bacteria growth.