Bon Appetit @ Uber

Official wording

Wall and ceiling finish shall be smooth, durable, easily cleanable, and non-absorbent in all areas where there is food service or preparation, open food storage, warewashing, janitorial service, trash storage, and employee restrooms.

In plain English

Dishes, equipment, or surfaces that touch food were not properly washed, rinsed, and sanitized, or sanitizer was not at the right strength. Clean surfaces help stop germs from spreading to food.