The Japanese mask is the high grade.

As I mentioned, the consumption of masks is high in Japan. Therefore each mask manufacturer was improving the function of the mask. So now they are high-tech now.
For example, they have the following functions.
・blocking 99 percent of virus
・blocking 99 percent of small particles
・avoiding getting sweaty by breath in the mask
・being added fragrance
・Ears aren’t painful, even though you continue to wear it for hours.
・3-dimensional structure to fit a face
・having pockets to put wet cotton to keep moisture – to wear during sleeping

How is this ingenuity?

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