Listening Quiz: Thuyết Trình Phân Tích Hỏng Hóc Vật Liệu – Medium Level

1. What is the main purpose of Sarah’s report to Paul?
2. According to Sarah, what was one environmental factor that contributed to the corrosion?
3. What does Sarah say about the alloy used in the product?
4. What can be inferred about the recommended change to the product?
5. What does Paul ask Sarah to do at the end of the conversation?

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