夜读 | 灯亮着，人就在

Core Insights - The article reflects on the significance of an old railway signal lamp, symbolizing safety and vigilance in the railway industry, particularly during night operations [1][5]. Group 1: Historical Context - The signal lamp described is a tool used by railway connection workers during night shunting operations, which has become less common due to technological advancements [1][3]. - The author recalls being assigned to a large steel company's transportation department in 1974, where each worker received a new signal lamp and was trained in its use [3][4]. Group 2: Operational Importance - Connection workers play a crucial role in linking and directing railway vehicles, ensuring the smooth flow of materials like coke and iron ore in steel production [3][4]. - The work schedule for connection workers typically involves 12-hour shifts followed by 24 hours off, highlighting the demanding nature of the job [3][4]. Group 3: Safety and Communication - The signal lamp serves as a vital communication tool at night, indicating the presence of workers and facilitating safe operations in low visibility conditions [4][9]. - An anecdote illustrates the importance of the signal lamp in preventing accidents, where a worker was saved from a potential disaster due to the quick actions of a colleague using a signal lamp [4][9]. Group 4: Reflection and Legacy - The author expresses nostalgia for the past, emphasizing the enduring lessons of vigilance and responsibility learned during their time in the railway industry [5][6]. - The old signal lamp, despite its age, continues to symbolize the commitment to safety and the shared experiences of workers in the industry [5][6].