A food stylist working on a hamburger commercial might use tweezers to?

Answer: eat the food

Explanation: only in a circumstance where the food is tiny will this be your answer. Is this a tiny hamburger?

Answer: to fix imperfections on the burger.

explanation: let's say that the burger bun was missing sesame seeds. a food stylist would use tweezers to place sesame seeds perfectly on the burger to create an aesthetic effect for the burger.