Still further in {HEAD ~ accordance} with {TAIL ~ the present invention}, the pipe to soil potential measurement may be made utilizing electrical ground cables or similar structures in urban areas in the vicinity of power grid substations, for example 
Still further in { HEAD ~ accordance } with { TAIL ~ the present invention } , the pipe to soil potential measurement may be made utilizing electrical ground cables or similar structures in urban areas in the vicinity of power grid substations , for example
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