Electric materials
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St. Petersburg branch of A.D.D. The service offers: power supply, power supply, rental of generators, energy equipment, maintenance of boiler rooms, rental...
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A rectifier is a static device used to convert the alternating current of a power source (mains) into direct current. The rectifier is...
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Well-developed documentation is a guarantee of convenience, safety in operation and maintenance of lighting installations in stadiums. Costs and timeliness...
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The article talks about electric fences.
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