Franking machine:
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Turn off the old computer, Turn on
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Closes the CD / DVD tray, Opens, disc read
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Repeatedly pressing a computer mouse
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Turn on, turn off the hard drive
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Computer mouse movement
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Removed, The USB flash drive is inserted
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Signal, Modem connection, interference
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Insert the disk into the drive, read the
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Signals, Computer interface
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Office work, typewriter, environmental sounds
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Computer keyboard
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Turn off the old monitor, Turn on
★★★★★