【Purification Daily Question】June 5, 2016

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To increase the popularity of the purified area, a \"One Question per Day\" campaign was launched to foster an active atmosphere for technical exchanges while providing users with certain financial rewards. (Fellow sailors, if you have any good questions, feel free to send them to me; let’s work together.) 【Daily Question】 When removing the screws of the trays in a bubble column tower, which tool is appropriate to use? A. Adjustable wrench B. Ram wrench C. Socket wrench D. Fixed wrench. Please reply with your answer; answering correctly earns you +2 wealth points. Those who get all answers right will receive an additional +3 to +8 wealth points. Those who provide a thorough analysis or explanation of the question and answers, or include detailed calculation processes, will receive extra wealth points as a reward. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions. C is organizing additional activities; we hope everyone will participate actively, as there are great rewards available. “My Device, My Home” – Purification Devices: http://bbs.hcbbs.com/thread-1589970-1-1.html (Source: Haichuan Chemicals Forum)