Health departments consider it a violation to dry dishes with a towel after washing, rinsing and sanitizing dishes. the greatest food safety concern is

Washing dishes is a no-brainer for almost all of us, but when done incorrectly, it can lead to health hazards. After going through the dish-washing steps such as washing, rinsing and sanitizing, there goes the last step which is drying. In drying kitchen utensils it could be through wiping down dishes or air-drying with the use of a towel. Wiping down dishes can actually increase the risk of cross-contamination because towels can be contaminated with food particles or items or germs. Also, if the towel becomes wet, it becomes a breeding ground for germs.

Therefore, The greatest food safety concern is contamination.

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.