Group 1: Meteorological Work - Continuous high temperatures have led to the issuance of red heat warnings in Chongqing, with temperatures exceeding 40°C [2] - Meteorological workers are crucial for providing timely and accurate weather warnings, relying on extensive and reliable observational data [2] - Maintenance personnel are actively repairing equipment at monitoring stations, facing extreme conditions with surface temperatures exceeding 60°C [4][6] Group 2: Agricultural Monitoring - Meteorological workers are not only focused on weather warnings but also monitor soil moisture and investigate drought conditions in agricultural areas [8] - They provide guidance to farmers on scientific irrigation practices to mitigate the impact of high temperatures on crops [8] Group 3: Construction Work - Over 800 construction workers are engaged in high-temperature conditions at the Lion's Gate Bridge construction site, facing challenges such as prolonged outdoor work and physical strain [10] - Workers report severe discomfort, with protective gear melting and skin injuries due to the heat [11][13] - Construction schedules have been adjusted to mitigate heat exposure, with work hours shifted to cooler parts of the day [15] Group 4: Health and Safety Measures - The construction team has implemented health measures, including providing cooling drinks and ice to combat heat stress [15] - The Lion's Gate Tunnel project is significant, being the first multi-layer composite road tunnel in the Pearl River Estuary, highlighting the dedication of over 6,000 workers [15]

Group 1 - High temperatures have led to increased demand for electric coal transportation, with over 7,000 coal-laden trains departing daily from Changzhi, Shanxi to provinces like Henan, Shandong, and Hebei [2] - The railway line through the Taihang Mountains has complex terrain, resulting in a 10% increase in traffic during the summer, necessitating the replacement of over 300 brake pads daily at the Changzhi South inspection yard [4] - A typical electric coal train, consisting of 60 cars, requires a 35-minute technical inspection to ensure timely departure, with critical checks performed manually and brake performance tests conducted by an intelligent robot nicknamed "Little Crab" [6] Group 2 - In Henan, construction projects are ongoing despite the heat, with workers using special air-conditioned protective clothing to cope with high temperatures [8] - An aluminum production facility in Henan is producing 6,000 tons of aluminum alloy plates for shipment to Anhui, providing employees with heat subsidies and cooling supplies [10] - The meteorological forecast indicates that high temperatures will persist in Henan, prompting public advisories to minimize outdoor exposure during peak heat hours [12] Group 3 - Chengdu has issued a red alert for high temperatures, with ground temperatures at the airport nearing 50°C, yet ground staff continue to work to ensure safe and orderly summer flight operations [13][15] - Hundreds of flights operate daily from Chengdu Shuangliu International Airport, with maintenance of high mast lights being essential for safe operations, requiring staff to work in extreme heat [17] - The airport has established shared rest areas for frontline workers, providing a cool and comfortable environment with essential supplies and first aid items [19]