In 1994, a catastrophic incident at the Petroleum Felixburg plant in the United States resulted in significant human and material losses. This explosion underscores the critical importance of industrial safety. The explosion, which occurred on July 5, 1994, killed four workers and injured others. Subsequent investigations revealed a series of errors and negligence in safety procedures, leading to the accumulation and leakage of propane gas. The investigations showed that the alarm system was malfunctioning and that safety training was inadequate.