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:When power-down the computer lab, it is important to turn-off the wireless keyboard prior to leaving the computer lab.
:The wireless keyboard is battery-operated, and '''failing to turn-off this keyboard will needlessly drain the batteries which may cause problems for the next instructor'''.
:Here is a link to the computer lab power-down YouTube video for reference: [http://www.youtube.com/watch?v=QIrJ2LIoiS0 http://www.youtube.com/watch?v=QIrJ2LIoiS0]