Listening Quiz: Hạn Chế Chất Độc Hại Trong Sợi Tổng Hợp Mới – Advanced Level

1. What is the main topic of the conversation?
2. Which substances are named as restricted in the conversation?
3. What happens if the fibre contains the restricted substances?
4. What can be inferred about the company’s position on safety?
5. How does Anna say the fibre is tested for hazardous substances?

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