It's as if it's there's a line in the campaign manual that says, you know, chapter three, call your opponent a flip-flopper.

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Electrical frequencies and voltages drop as power line currents increase, necessitating automatic or manual interruption of loads (blackouts) to protect grids.

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The line, in the Penzing district of western Vienna, had been put under manual control following a technical defect, a spokeswoman for Austrian railways said.

BBC: Austrian trains in head-on crash