Japan finds ways to make masks cool as virus runs into summer

Consumers clamor for products from sprays to cooling packs to beat the heat wave

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Big Bio, Descente and other companies have come up with inventive products to help consumers survive this year's hot temperatures as they guard themselves against the coronavirus. (Source photos by Big Bio and Descente) 

JADA NAGUMO and RURIKA IMAHASHI, Nikkei staff writers

TOKYO -- Japan fears two things will be on a simultaneous rise this summer: temperatures and the number of coronavirus cases. Fortunately, the country's inventive manufacturers have answers to both.

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