over the next 10 years, more than 300 kilometers of new high voltage transmission cables are to be added to the National Grid. Most of the new cables will be suspended from pylons and run overhead while the rest will be buried underground. Outline the advantages and disadvantages of both overhead transmission cables and underground transmission cables
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over the next 10 years, more than 300 kilometers of new high voltage transmission cables are to be added to the National Grid. Most of the new cables will be suspended from pylons and run overhead while the rest will be buried underground. Outline the advantages and disadvantages of both overhead transmission cables and underground transmission cables
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