Japanese people contrive ways to protect against the cold to get by their chilly winter comfortably. In town, we found people with scarves and ear muffs on, several socks worn on top of each other, and those with exothermal underwear on.
We visited a family living comfortably in their house covered with heat insulator over their exterior walls all the way down to 1.5m beneath the house, saving heating expenses by making good use of earth thermal and solar heat.
And disposable heating pads, products which have now come into use worldwide. We made a visit to a company developing new products one after another.
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