Listening Quiz: Xuất Khẩu Vải Kỹ Thuật: Lời Khuyên Về Tài Liệu – Advanced Level

1. What is the conversation mainly about?
2. According to William, what must the commercial invoice include?
3. Which certificate is required for exporting the technical textiles?
4. What does William say safety data sheets explain?
5. What can be inferred about William and Mia’s task?

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