Underground transmission lines are lines that are becoming more common, especially in highly populated area. They may be buried with no protection, or placed in conduit, trenches, or tunnels.
Ref: 124281/2006-10-01

Other Database Pages Exist for this Phrase:
Underground (Underground means under the level of the ground; ...)
Transmission (Die Transmission beschreibt die Wegsamkeit f?r ...)

Alternative Spellings (Synonyms): Transmissionen, Transmissions

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