【Daily Question】Deep Processing 20160831 Fill-in-the-blank: A M16×90 double-headed bolt should be tightened with a （ ）# wrench to tighten its nut. . .

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To increase popularity and foster technical exchanges among sea enthusiasts, 【One Question per Day】 is launched. Participation earns 4 points of wealth! 10 wealth points as a reward for correct answers or in-depth discussions! :Lol fill-in-the-blank: Regular M16×90 double-headed bolts should be tightened with a ( )# wrench to tighten the nuts. Answer: 24# wrench =========================================== ☛ “Petrochemical Section” – Notice on the selection and rewards for outstanding moderators, technicians, and star members from January to July 2016: http://bbs.hcbbs.com/thread-1608031-1-1.html (Source: Haichuan Chemical Forum) ☛ Second round of selection for outstanding management members at Haichuan – ongoing from August to September; the top prize is a Xiaomi tablet: http://bbs.hcbbs.com/thread-1609580-1-1.html (Source: Haichuan Chemical Forum)