Jet printer:
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Interference, signal, Modem connection
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Turn on, turn off the old monitor
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Jet printer
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Turn off the old computer, Turn on
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Closing the laptop cover, Opening
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Turn off the hard drive, Turn on
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Closes the CD / DVD tray, disc read, Opens
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Fan noise, Turning on the laptop, shutting
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Signals, Computer interface
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Matrix printer
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Closes the CD / DVD tray, Opens
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Computer keyboard
★★★★★