Listening Quiz: Chuyển Từ Thép Sang Nhôm Cho Khung Kết Cấu – Advanced Level

1. What are Olivia and Robert mainly discussing?
2. According to Olivia, why might aluminium reduce costs in one area?
3. What concern do Olivia and Robert raise about aluminium’s strength?
4. What can be inferred about the team’s decision on aluminium?
5. What does Robert offer to do at the end of the conversation?

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