Listening Quiz: Packing Requirements for Temperature-Monitored Containers – Advanced Level

1. What is the conversation mainly about?
2. According to David, what should be used to help maintain the right temperature?
3. What does David say about monitoring temperature during transit?
4. What can be inferred about the packaging materials?
5. Why does David mention labels showing temperature requirements?

Luyện tập thêm về bài học này: