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![Wafers manufactured with 3-nanometer technology by Samsung Electronics are on display at the company's factory in Pyeongtaek, Gyeonggi, after President Yoon Suk-yeol and U.S. President Joe Biden signed autographs on them. [JOINT PRESS CORPS]](https://image.koreajoongangdaily.com/11826033.jpg?imageId=11826033&width=240&height=184&format=webp&format=jpg)