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Results 1 - 2 of 2 for batteries
  1. Pacemaker (image) 
    A pacemaker is a small, battery-operated electronic device which is inserted under the skin to help the heart beat regularly and at an appropriate rate. The ...
    https://medlineplus.gov/ency/imagepages/19566.htm - Medical Encyclopedia
  2. Fire safe home (image) 
    ... Test them once a month and change the batteries regularly. Finally, establish fire escape routes from every ...
    https://medlineplus.gov/ency/imagepages/19663.htm - Medical Encyclopedia