Answer:
They should get the information from the food and safety guidelines.
Step-by-step explanation:
The United States department of Agriculture has provided guidelines for the safe use of food. The food handlers must go through the document because it answers all the questions related to the food safety.
The food handlers must be informed prior to handling of food that how should the food be carried from one place to another.
The supervisor or the manager must introduce the guidelines to the food handlers.