| 摘要 |
A fingerprint reader for a thumb disposed above an outlet for fluid and adapted to be engaged by an inside surface of a user's thumb extending upwardly relativ e to the palm of a user's hand while the user's hand extends generally horizontally forwardly from the thumb directed upwardly to receive fluid dispensed downwardly thereon to fro m a fluid dispensing outlet while the thumb engages the fingerprint reader.
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