Listening Quiz: Thuyết Trình Kết Quả Kiểm Toán Hệ Thống Điện – Advanced Level

1. What is Olivia mainly doing in the conversation?
2. How many transformers need replacement within the next year?
3. What does Olivia say about the circuit breakers?
4. Why does Olivia recommend upgrading the circuit breakers immediately?
5. What improvement does Olivia say is possible for energy efficiency?

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