Answer: C. Handwashing and Sanitizing
Step-by-step explanation:
Handwashing sink is a washing zone which is used for cleaning hands with water, soaps and disinfectants. It is preferred for washings hands before and after meal, brushing teeth, and washing face. It is useful for sanitizing the hands. It is the part of daily utility sanitation area. It includes a wash basin, a tap to deliver water and a suction pipe to take away the used water in the sewage drain.