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![Employees pose for a photo in front of Posco’s Pohang No. 1 blast furnace in Pohang, North Gyeongsang, on Wednesday. The company on Wednesday retired the blast furnace after operating it for 48 years and six months. [POSCO]](https://image.koreajoongangdaily.com/11385446.jpg?imageId=11385446&width=240&height=184&format=webp&format=jpg)