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![A customer shops for an air purifier at a big retailer in downtown Seoul as an extraordinarily severe yellow dust storm from northern China and Mongolia blanketed Korea on Monday. [YONHAP]](https://image.koreajoongangdaily.com/10620160.jpg?imageId=10620160&width=240&height=184&format=webp&format=jpg)
![Coway's air purifier AP-1019D was named an honoree at the CES 2021 Innovation Awards in the home appliances category. [COWAY]](https://image.koreajoongangdaily.com/10337120.jpg?imageId=10337120&width=240&height=184&format=webp&format=jpg)