Good hand hygiene is of paramount importance in most industries.
 
Only washing your hands will not kill invisible germs bacteria and viruses.
 
Sanitize them with alcohol-based hand sanitizer after washing hands. They are so much useful when water is not available.
 
Many healthcare studies have found that sanitizers with an alcohol concentration between 60–95% are more effective at killing germs than those with a lower alcohol concentration or non-alcohol-based hand sanitizers.