jreibun/8701/1
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手をかざすタイプの自動ドアは、他人が
- さわ触った ところに手を
- ふ触れる 必要がないので、
- えいせいてき衛生的 だ。
Touchless automatic doors, which operate by simply waving a hand in front of them, are hygienic because they eliminate the need to touch surfaces that others have touched.
— Jreibun
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