Final answer:
Prevent biological contamination by wearing gloves, separating raw and cooked food, and always washing hands.
Explanation:
Preventing biological contamination:
- Wear gloves when handling food: Gloves act as a barrier between your hands and potential contaminants.
- Separate raw food from cooked food: Prevent cross-contamination by using separate cutting boards and utensils for raw and cooked items.
- Always wash your hands: Handwashing is crucial to prevent the spread of pathogens.
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