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BIM's information model can be used by managers to query, modify and call, synchronously update system information, and better maintain equipment and buildings. The operation and maintenance of buildings usually include monitoring, communication, ventilation, lighting, elevators and other systems. If the above equipment and pipelines fail, they may affect the normal operation of buildings and even cause safety accidents.玉帝看着准提道人，眼中浮现了不屑，对，就是不屑。啊……这……可千万别，爹娘看见要打我的。On January 4, 1999, hundreds of police arrested Jia Hongwei in Shenzhen. By the end of February, the provincial public security department and Shanwei public security bureau's pursuit team had gone up to Heilongjiang and down to Yunnan, and had captured another 18 people involved in the case at one stroke, including 11 people who had gone on board to kill, 3 people who had organized and planned to meet on land, and 4 people who had shielded and harbored. (Weng Siliang is still at large)(5) Assigning employees without corresponding qualifications to engage in social fire fighting technical service activities;洛蒂是个无可救药的浪漫主义者，然而当自私的妹妹突然宣布订婚，她梦想中的完美婚礼计划付诸东流，人生也天翻地覆。Editor's Note: This article comes from WeChat public number "Operation Dog Work Diary". The author is Han Xu, who is the product operation director of Netease News and author of "Super Operation Technology". 36 Krypton is authorize to be issued.