[Q&A] May 1, 2017 (Reward upgrade for using a ultimate ability)

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The rewards for answering questions on the day of the 51st event are doubled. Wishing everyone a happy 51st – the working people are the most honorable! ! ! Question: In chemical plants, the purposes of insulation are (　　). Multiple-choice question: A. Energy conservation and reduction of heat loss; B. Freezing and condensation prevention; C. Corrosion prevention; D. Heat protection. Correct answer: ABD. http://bbs.hcbbs.com/static/image/hrline/4.gif Petrochemical sector – An innovative initiative for energy conservation: “Creative Ideas” campaign (sponsors sought; highest returns ever). http://bbs.hcbbs.com/thread-1666758-1-1.html Sponsors are being sought for this campaign; those interested can contact the event organizer. Petrochemical processing section – Photo sharing event related to chemical equipment has started! A vast amount of wealth, as well as HChuan coins, are waiting for you to claim them: http://bbs.hcbbs.com/thread-1760733-1-1.html. “Petroleum and Chemicals Section”: Notice regarding the collection of chemical technology materials: http://bbs.hcbbs.com/thread-1614796-1-1.html. http://bbs.hcbbs.com/hcdown/data/attachment/forum/201704/07/123053embbjkok61hz6vvz.jpg.thumb.jpg. HChuan Network’s special May Day event: “Remembering the Glorious Moments”: http://bbs.hcbbs.com/thread-1774529-1-1.html. (Source: HChuan Chemicals Forum) [HaiXin Chemicals Cup ★ Spring has arrived in HChuan Chemicals]: A compilation of posts sharing beautiful scenery from 2017; you can take a look at the local landscapes posted by users from various places in your free time: http://bbs.hcbbs.com/thread-1766484-1-1.html