Warning high voltage on the old metal wall
European yellow lightning sign of high voltage warning about dangerous electricity
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The electrician makes electrical measurements jumps tension electrical safety
Yellow high voltage sign hanging on the metal mesh
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The electrician makes electrical measurements jumps tension electrical safety
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The electrician makes electrical measurements jumps tension electrical safety
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Electrical hazard sign placed on a metal fence
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The electrician makes electrical measurements jumps tension electrical safety
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The electrician makes electrical measurements jumps tension electrical safety
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