What is this raw or pickled vegetables cut into attractive shapes served as appetizer.

Part of the plated salad  that can be liquid or semi liquid added to the body of the salad to give added flavor, tartness, spiciness and moistness.

Ingredients of Salad dressing that should have mild, sweet flavor.  Strongly flavored can make excellent salad dressing but not appropriate with every food.

Factors that influence the cleaning process can reduce the effectiveness of some detergents or a sanitizers

It is the most important principle for sandwich safety after preparation to avoid spoilage