Franking machine:
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Sound signal of a bios computer, bios
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Manual copy machine
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Input error sound, Pressing a keypad
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Turn off the hard drive, Turn on
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Computer simulated laser
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Turning on the computer, shutting, fan noise
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Jet printer
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Computer interface, alarm
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Computer mouse click
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Turn on, turn off the old computer
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Turn on, turn off the old monitor
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Closing the laptop cover, Opening
★★★★★