Group 1 - The core viewpoint of the article highlights that during the Spring Festival travel season, the railway department utilized large-scale maintenance machinery, heavy rail vehicles, and catenary work vehicles developed by the company to ensure the safety of infrastructure maintenance and power supply for passengers [2] Group 2 - The company emphasizes the use of high-precision and intelligent rail engineering equipment to safeguard the travel experience of passengers returning home [2]

Core Viewpoint - The article highlights the efforts of a team working in extreme cold conditions to remove ice from railway tunnels, ensuring safety and uninterrupted train operations during winter. Group 1: Operations and Safety Measures - The team, led by Li Hongbing, is focused on identifying and addressing ice accumulation in key tunnels to prevent disruptions in train services [1] - The operation involves using an 8-meter ice-breaking rod to safely remove ice pillars that pose a risk to the contact network [1][5] - A total of 35 ice removal tasks were completed across 21 tunnels within 120 minutes, demonstrating efficiency in operations despite harsh weather conditions [5] Group 2: Working Conditions - The team faced severe cold, with temperatures dropping to -12°C, making the working environment challenging [1] - Workers employed various techniques to keep warm, including taking breaks in the vehicle and using hand-warming methods [2][3] - Despite the cold, the team successfully managed to complete their tasks, showcasing their resilience and commitment to safety [5]