Listening Quiz: Tư Vấn Về Tính Tương Thích Vật Liệu Gioăng và Vòng Đệm – Medium Level

1. What is the main topic of the conversation?
2. What does Daniel say can happen if the wrong materials are used?
3. What materials does Daniel mention as good for many fluids?
4. What does Daniel say they need first before deciding whether the new fluid works with the materials?
5. What can be inferred about Daniel and Olivia’s approach to the new fluid?

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