Listening Quiz: Yêu Cầu Pháp Lý Cho Vật Liệu Tiếp Xúc Thực Phẩm – Medium Level

1. What is the conversation mainly about?
2. According to John, which of the following is an example of a food contact material?
3. How do companies prove that their materials are safe?
4. What can be inferred about the EU’s food contact material laws?
5. What happens if materials fail the required tests?

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