| 摘要 |
Disclosed is a method for reducing the complexity which arises around the position where a name badge is worn when a name badge and a portable negative ion generator are used simultaneously, by adding a negative ion generating functionality to a name badge, thus providing an effective negative ion generator and an environment for maintaining good health. The complexity which arises around the position where a name badge is worn when a name badge and a portable negative ion generator are used simultaneously is problematic. Said problem can be reduced by adding a negative ion generating functionality to the name badge.
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