The USB flash drive is inserted, removed from the usb connector:
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Computer simulated laser
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Closes the CD / DVD tray, Opens, disc read
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Franking machine
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Signals, Computer interface
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Environmental sounds, Office work, typewriter
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Insert the disk into the drive, read the
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Turn off the hard drive, Turn on
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Double click computer mouse
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Turn off the old monitor, Turn on
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Repeatedly pressing a computer mouse
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Jet printer
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Modem connection, signal, interference
★★★★★