It is said to be food, and the food made must be hygienic and will not carry any germs, bacteria and so on.
For example: AIDS, syphilis, hepatitis B and other infectious diseases; On the one hand, you are responsible for your own health, on the other hand, you are responsible for the factory employees and diners.
You are healthy. I solemnly declare that I am healthy and have no serious medical history.
You are unhealthy, but it will not endanger the above two points. Statement: I am healthy and have no serious medical history.
Your poor health will endanger one of the above points. See if you'd like to make a statement.
I suggest you make a statement!