Office work, typewriter, environmental sounds:
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Hard disk, room noise, read, write
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Typewriter, Office work, environmental sounds
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Communication room, computer noise
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Double click computer mouse
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Repeatedly pressing a computer mouse
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Signal read information, Computer interface
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Photocopy (photocopy)
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Matrix printer
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Insert the disk into the drive, read the
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Computer mouse click
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Turn on, turn off the old monitor
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Computer keyboard
★★★★★