What must he do before preparing the sandwiches?

Understand the Problem

The question is asking about the necessary steps or preparations that should be completed prior to making sandwiches. This likely involves tasks such as gathering ingredients, cleaning surfaces, or having utensils ready.

Answer

Wash his hands

The final answer is to wash his hands.

Answer for screen readers

The final answer is to wash his hands.

More Information

Ensuring hands are clean before handling food is crucial to prevent contamination and spread of foodborne illnesses.

Tips

People often overlook washing their hands thoroughly or forget to do it after certain activities like using the bathroom.

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