Respuesta :
I would believe that it would be showing you when and how to wash your hands properly. Because if an employee doesn't have clean hands than the food isn't safe to consume. So I would say the third option.
Hope this helps!
<3
Hope this helps!
<3
First would be washing hands but that should be a common sense thing seconded would probably be preparing they food for the customers and than counting back the change for the customers