A spark plug has a metal threaded shell, electrically isolated from a central electrode by a porcelain insulator. The central electrode, which may contain a resistor, is connected by a heavily insulated wire to the output terminal of an ignition coil or magneto.
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Early in the campaign, Donald J. Trump said he would deport all of them. (Each figure represents about 5,000 people.) After the election, Mr. Trump vowed to quickly deport two million to three million unauthorized immigrants who he said have been convicted of crimes. The Department of Homeland Security on Tuesday announced details to expel immigrants more aggressively.