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English Translations » 甲醇及净化技术 » Purification Safety Question 1025

Purification Safety Question 1025

2019-10-29View Original

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Multiple-choice question: The steel wire rope used for lifting personnel or both personnel and materials must be replaced if the number of broken wires reaches 10%. ( )  A. Correct B. Incorrect 11. () can harm human health through skin damage.  A、Mercury B、Dust C、Carbon
Reply #22019-10-29
The wire rope used for lifting personnel or for lifting both personnel and materials must be replaced if the number of broken wires reaches 10%. (A)  A. Correct B. Incorrect 11. (A) Can harm human health through the skin.  A、Mercury B、Dust C、Carbon

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Translated at 2026-07-21 05:42:55

Original: https://bbs.hcbbs.com/thread-2836083-1-1.html

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