Office work, typewriter, environmental sounds:
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Franking machine
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Matrix printer
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General noise, Office work
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Shutting, Turning on the computer, fan noise
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Computer interface, signals
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Laser printer
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Old computer keyboard
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Turn off the old monitor, Turn on
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Repeatedly pressing a computer mouse
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Photocopy (photocopy)
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Closes the CD / DVD tray, disc read, Opens
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CD / DVD drive, disc read
★★★★★