Opens, closes the CD / DVD tray:
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Read the, Insert the disk into the drive
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Turn on, turn off the old monitor
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Input error sound, Pressing a keypad
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Disc read, CD / DVD drive
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Shutting, Turning on the computer, fan noise
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Franking machine
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Typewriter, environmental sounds, Office work
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Signals, Computer interface
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The USB flash drive is inserted, removed
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Jet printer
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Computer simulated laser
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Write, read, room noise, Hard disk
★★★★★