Final answer:
The operator of the food truck should have used separate cutting boards and knives for different types of food and ensured proper cleaning and sanitization to prevent cross-contamination.
Step-by-step explanation:
The operator of the food truck should have taken several steps to prevent cross-contamination:
- Use separate cutting boards for different types of food, especially when handling raw meats and fresh produce.
- Use separate knives for cutting raw meats and chopping vegetables.
- Ensure proper cleaning and sanitization of cutting boards and knives between uses.
- Implement proper food handling and safety practices, such as washing hands frequently and using gloves when necessary.
By following these steps, the operator can prevent cross-contamination and ensure the safety of the food served from the food truck.