This African-American father was shown in the process of teaching his young daughter how to properly wash her hands at their kitchen sink, briskly rubbing her soapy hands together under fresh running tap water, in order to remove germs, and contaminants, thereby, reducing the spread of pathogens, and the ingestion of environmental chemicals or toxins. Children are taught to recite the Happy Birthday song, during hand washing, allotting enough time to completely clean their hands.