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【Daily Question】Production, Storage, and Transportation Exchange - 9.30

2019-09-30View Original

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This post was last edited by juy7fgr5 on 2019-9-30 08:20. It’s part of the Daily Question series in the Production, Storage, and Transportation forum; answering it correctly earns 3 units of wealth; Effective participation grants 1 unit of wealth ; A special bonus will be given to the first person who provides a correct answer. Multiple-choice question: What should be worn when working in a confined space with low oxygen levels? A Gas mask ; B Filter-type gas filter canister ; C Positive-pressure self-contained breathing apparatus. C

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