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oral inflation valve : ウィキペディア英語版 | oral inflation valve An oral inflation valve is present on most swim toys and beach balls. Since the valve is placed in the mouth and saliva can be ejected into the inflatable object, the valve is subjected to some health concerns. Life preserver vests are often inflated with CO2, but also have an oral inflation tube.〔(Baltic inflatable lifejackets )〕 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「oral inflation valve」の詳細全文を読む
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