Repeatedly pressing a computer mouse:
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Franking machine
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Office work, general noise
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Repeatedly pressing a computer mouse
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Signal read information, Computer interface
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Computer mouse click
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Opens, disc read, closes the CD / DVD tray
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Computer simulated laser
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Modem connection, interference, signal
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Room noise, write, read, Hard disk
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Computer keyboard
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The USB flash drive is inserted, removed
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Floppy disk reading
★★★★★