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Bạn dùng khăn giấy để lau tay mỗi ngày, vấn đề là, bạn đang làm sai cách. Trong bài nói chuyện đột phá và vui nhộn này, Joe Smith tiết lộ kỹ thuật dùng khăn giấy hiệu quả.(Ghi hình tại TEDxConcordiaUPortland.)
Joe Smith is an active figure in the Oregon community and a powerful advocate for proper paper towel use. Full bio »
Translated into Vietnamese by Trong Kim Nguyen
Reviewed by Shita Fukushi
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