【Picture of the Day】2016 05 09 What are the workers in the picture doing? There are wealth rewards for those who guess correctly!

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http://down3.hcbbs.com/forum/201512/08/164923mja2mgm2mjmvymrz.jpg 【Picture of the Day】2016 05 09 What is the work that the workers in the picture are doing? There are wealth rewards for those who guess correctly! Catalyst installation work for catalytic devices. Promotion of petrochemical activities: Notice on the “I’m saving energy, where are you?” event in the petrochemical area. http://bbs.hcbbs.com/thread-1579199-1-1.html This event offers awards in both text and image categories. When there are over 200 entries, an additional grand prize will be awarded; the value of this prize is 600 Haichuan coins. If there are more than 300 entries, the grand prize value increases to 1,000 Haichuan coins, and if there are 500 entries, it rises to 1,500 Haichuan coins. First prize: 3 Haichuan commemorative water cups. Second prize: 5 winners, each receiving 120 Haichuan coins. Honorable mentions: several winners, each receiving 200 Haichuan coins. 1. Thread on soliciting entries for award-winning content in specific categories: http://bbs.hcbbs.com/thread-1568416-1-1.html (Source: Haichuan Chemical Industry Forum) 2. [Petrochemical Weekly] Issue No. 9, March 12, 2016 (Summary of recent petrochemical activities): http://bbs.hcbbs.com/thread-1568615-1-1.html (Source: Haichuan Chemical Industry Forum) 3. “Haichuan Gratitude Season” – Summary of events in the Petrochemical Section: http://bbs.hcbbs.com/thread-1533218-1-1.html (Source: Haichuan Chemical Industry Forum) 4. Summary of professional “basic knowledge” threads in the Petrochemical Section (Supported by the main forum; amazing prizes await you): http://bbs.hcbbs.com/thread-1557057-1-1.html (Source: Haichuan Chemical Industry Forum) Haichuan, hcbbs, images