Turn on, turn off the hard drive:
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Turn on, turn off the old computer
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Computer simulated laser
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Turn on, turn off the hard drive
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Old computer keyboard
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Modem connection, signal, interference
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Fan noise, shutting, Turning on the laptop
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Photocopy (photocopy)
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Matrix printer
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Write, read, room noise, Hard disk
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Repeatedly pressing a computer mouse
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Franking machine
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Closes the CD / DVD tray, Opens
★★★★★