Insert the disk into the drive, read the disk, take it out:
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Signal, Modem connection, interference
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Photocopy (photocopy)
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Removed, The USB flash drive is inserted
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Manual copy machine
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Old computer keyboard
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Opens, closes the CD / DVD tray
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Turning on the laptop, fan noise, shutting
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Jet printer
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Turn on, turn off the old monitor
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Read the, Insert the disk into the drive
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Computer mouse click
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Typewriter, environmental sounds, Office work
★★★★★