Laser printer:
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Turn off the old monitor, Turn on
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Franking machine
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Computer mouse movement
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Laser printer
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Closes the CD / DVD tray, Opens
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Repeatedly pressing a computer mouse
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Signal, interference, Modem connection
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CD / DVD drive, disc read
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Disc read, closes the CD / DVD tray, Opens
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Closing the laptop cover, Opening
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Office work, environmental sounds, typewriter
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Manual copy machine
★★★★★