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By answering the question for this issue in bg9.png, you can see the answer to the previous issue. The question for this issue is as follows: (Fill-in-the-blank) When the liquid level is at its highest, the float of the level gauge is completely submerged in the liquid; the buoyant force acting on the float ( ), the torque generated by the torsion tube ( ), and the output signal reaches its maximum value. Answer to the previous question: (Fill-in-the-blank) In an interlock system, if it is required that the local self-protection solenoid remain energized under normal conditions and lose power during self-protection, then the ( ) contacts of the relay should be used. Answer: Normally closed —————————————————————————————————————————————————————————————— Scoring criteria: 2 Wealth points for an incorrect answer; 3–8 points for an *incomplete* answer; 10 Wealth points for a correct answer, provided there is a detailed explanation; 12–15 Wealth points for a correct answer with additional *insufficient* explanations. Please score according to these criteria. Note: If there are editing records after answering, only those who participated will be credited points. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming; points will start to be deducted after three warnings