Missing or inaccurate food and equipment thermometers.
Dish machine or sinks not set up or working properly, or missing sanitizer test kit and gauges.
Water not safe, or hot (100°F) and cold water not available under pressure.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.