6名大学生坠入浮选槽遇难，不该发生的事故为何发生？

Group 1 - The tragic incident involved six students from Northeast University who died during a visit to a flotation process at a copper-molybdenum mine operated by Zhongjin Inner Mongolia Mining [2][3] - The immediate cause of the accident was the falling of a grating board, indicating a significant possibility of a responsibility accident [3] - Zhongjin Inner Mongolia Mining had previously been found with 27 safety hazards in 2021 and faced penalties in 2024 for unauthorized construction [3] Group 2 - The Inner Mongolia government has taken the incident seriously and is in the process of forming an investigation team to conduct a thorough investigation [2][3] - The importance of safety in production units has been emphasized, with a call for all similar facilities to conduct self-examinations and corrections to prevent future incidents [3] - There is a strong public sentiment for accountability and ensuring that safety measures are reinforced to avoid the recurrence of such tragedies [2][3]