The "frequency in the power distribution system suddenly dropped from 50 to 0 which caused the blackout", says Omar Ayubfrom The News International - Pakistan https://ift.tt/2MP1lvL
Cities left in the dark amid major electricity breakdown across Pakistan
The "frequency in the power distribution system suddenly dropped from 50 to 0 which caused the blackout", says Omar Ayubfrom The News International - Pakistan https://ift.tt/2MP1lvL
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