The darker raised rails - known as the third rail - carry 750 volts of electricity to power trains in the south of England and on Merseyside

Monday 18 Jul 2011

The darker raised rails - known as the third rail - carry 750 volts of electricity to power trains in the south of England and on Merseyside

Regions:: National

The darker raised rails - known as the third rail - carry 750 volts of electricity to power trains in the south of England and on Merseyside

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The darker raised rails - known as the third rail - carry 750 volts of electricity to power trains in the south of England and on Merseyside: The darker raised rails - known as the third rail - carry 750 volts of electricity to power trains in the south of England and on Merseyside