Computer simulated laser:
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Environmental sounds, typewriter, Office work
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Input error sound, Pressing a keypad
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Write, room noise, read, Hard disk
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Double click computer mouse
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Photocopy (photocopy)
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Franking machine
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Computer mouse movement
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Matrix printer
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General noise, Office work
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Computer interface, signal read information
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Insert the disk into the drive, read the
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Old computer keyboard
★★★★★