Keep both short and long hair under control. Wear a hair-net or tie your hair back. Maintain safe temperatures for potentially hazardous foods or don't serve them. When you serve food, never leave it out over 2 hours. Throw away potentially hazardous foods that are out of safe temperature ranges longer than 2 hours.
Vegetarian dishes can be hazardous.
Serve low protein, dry high carbohydrate and high acidity foods that are not potentially hazardous. Nuts Prepacked salads and vegetables. When in doubt toss it out. Refrigerate and freeze leftovers promptly in small containers. Do not store any food in laboratory refrigerators or freezers.