Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.
Employee jackets, phones, drinks, or other personal items stored where they can contaminate food.
Mops, brooms, and other cleaning and maintenance equipment stored or maintained improperly.