<unk>  is an area of study focusing on sanitary practices and habits relating to<unk>  in an effort to understand<unk> 's effect on hand hygiene. There are four key elements to optimally sanitizing<unk> : steam or hot water, water pressure and an antibacterial cleaning agent. Hand hygiene is particularly acute for health workers and those working in the food service industry.
Jewelry hygiene
Feminine hygiene
Hygiene
Oral hygiene
Occupational hygiene
Social hygiene movement
Hand washing
Mustard bath