A special restoration service from Siemens extends the service life of power cables. After this treatment, older cables can remain in service for several more decades. As a result, network operators can avoid the sizable investments that would be necessary for a complete replacement. In other words, cable replacement can be postponed for a longer period of time ...

http://phys.org/news/2014-01-rejuvenating-aging-power-cables.htm

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