Communication room, computer noise:
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Computer noise, Communication room
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The USB flash drive is inserted, removed
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Office work, general noise
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Computer keyboard
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Old computer keyboard
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Franking machine
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Signal, Modem connection, interference
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Signals, Computer interface
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Pressing a keypad, input error sound
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Computer simulated laser
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Fan noise, Turning on the computer, shutting
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Repeatedly pressing a computer mouse
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