W2. Can you think of how technology makes our lives better? / Seoyoung Um

I feel that the technological development is a great help to our current life. (COVID 19) I am grateful to Korea, which is now able to manage the confirmed person and control the country. In particular, it was very strange to see that the mask was developed without lowering the yellow dust blocking property even after washing. I can say that this is a very happy news for Korea in this situation where masks have become very important.

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