Polar recommends that the batteries in its heart-rate monitor be replaced by professionals; however, you can save time and money by replacing the battery yourself. Replacing the battery yourself, ...

The Polar Sea, one of the U.S. Coast Guard's two ... ThePolar Sea engaged one of its three 20,000-hp FT4 gas turbines, supplied to the USCG in 1976 by Turbo Power & Marine Systems, to power ...