Listening Quiz: Chứng Nhận Vùng Nguy Hiểm Cho Lắp Đặt Thiết Bị Đo Lường – Advanced Level

1. What is the main topic of the conversation?
2. What certification does Linda say the instrument needs?
3. According to Linda, how can they verify the correct certification?
4. What can be inferred if an instrument is not certified for the hazardous area?
5. What are barriers or enclosures used for, according to the conversation?

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