Office work, typewriter, environmental sounds:
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Insert the disk into the drive, read the
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Turn on, turn off the old monitor
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Computer mouse movement
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Computer mouse click
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Room noise, read, write, Hard disk
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Opens, disc read, closes the CD / DVD tray
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Input error sound, Pressing a keypad
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Jet printer
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Manual copy machine
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Signals, Computer interface
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Franking machine
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The USB flash drive is inserted, removed
★★★★★