High-voltage cables exist even under the ground.

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(뉴스자료)
The underground construction of high-voltage lines in downtown Seoul is 341km long with 152 sections in total.
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그 가운데 7곳을 골라 측정한 결과 대부분 구간에서 10mG가 넘는 전자파가 측정됐습니다.
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KEPCO explains that it is less than 833mG, the domestic electromagnetic risk standard.
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[KEPCO official: I told you to comply with ?833mG, but it is a very small value, so you don't have to worry.]
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However, this is a risk criterion for temporary exposure only, there is no criterion for long-term exposure. .
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네덜란드와 스위스는 전자파 장기노출 위험 기준을 4mG와 10mG로 정했습니다.
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Where children live, such as schools or day care centers, can be a problem.
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If you look a little bit
Underground high voltage lines are really, really dangerous. .
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833mG가 안전하다고 하는건
Do you understand?
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Power is nothing without Control!