Group 1 - High temperatures have been affecting regions such as Huanghuai and Jianghuai since July, with the Central Meteorological Observatory issuing an orange alert for high temperatures on July 16, predicting temperatures above 35°C in many areas [1] - In Henan province, around 30% of towns have recorded temperatures exceeding 40°C, breaking historical records for the same period, with Zhengzhou reaching over 44°C on July 15 [1] - Due to extreme heat, many large construction projects in Zhengzhou have adjusted outdoor working hours to avoid the hottest parts of the day, ensuring project timelines are met [1] Group 2 - The construction site for the Anluo Expressway project is currently undergoing asphalt paving, with 8 kilometers completed in the past month, and the project spans a total length of 21.6 kilometers [3] - Summer is considered the "golden season" for asphalt paving due to high temperatures, which provide suitable conditions for compaction, ensuring high strength and stability of the paved surface [3] - To ensure worker safety in high temperatures, the construction team has implemented staggered work schedules, allowing work in cooler morning and evening hours while limiting outdoor work to one hour at a time [5][6] Group 3 - At the construction site, various measures have been taken to provide relief from the heat, including setting up shade tents, providing cooling drinks like mung bean soup and watermelon, and having medical supplies available for heat-related emergencies [7]