【Weekly Question】Participate from 3/19 to 3/25, 2016 for +2 wealth； +3 to +10 wealth for correct answers
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To increase the popularity of the chemical analysis section, a \"Question of the Week\" activity is carried out to foster an active atmosphere for technical exchanges while also providing users with certain financial rewards. When maintaining and servicing instruments and equipment, it is necessary to adhere to the principle of \"three protections and four fixations\", which means: A) Designating specific persons to be in charge of their care; B) Storing them in designated locations; C) Assigning specific persons to use them; D) Conducting regular inspections. The correct answers are ABD. Reply with your answers; you will receive +2 points for participating in the quiz. Those who get all answers correct will receive an additional +3 to +10 points. Those who provide thorough analyses and explanations for the questions or answers, or include detailed calculation processes, will receive extra rewards. If your answers are correct and your analysis and explanations are accurate, your reply will be marked as the best response (or the best assistance). Feel free to answer the questions.
When maintaining and servicing instruments and equipment, the principle of \"three preventions and four fixations\" should be adhered to, that is, it is necessary to ensure (A B D): A. Designated personnel for storage, B. Designated locations for storage, C. Designated personnel for use, D. Regular maintenance checks
A. Assign a person to keep it B. Store it in a designated location D. Perform regular maintenance
When maintaining and servicing instruments and equipment, the principle of \"three preventions and four fixations\" should be adhered to, that is, it is necessary to ensure (ABD): A. Designated personnel for storage, B. Designated locations for storage, C. Designated personnel for use, D. Regular maintenance checks
When maintaining and servicing instruments and equipment, the principle of \"three protections and four fixations\" should be adhered to, that is, it is necessary to ensure (abcd): A. Designated personnel for storage, B. Designated locations for storage, C. Designated personnel for use, D. Regular maintenance checks