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.
President Trump has now fired 3 officials who were investigating his campaign or administration. Be the first to know about new stories from PowerPost. Sign up to follow, and weâll e-mail you free updates as theyâre published. Youâll receive free e-mail news updates each time a new story is published.
In addition to the above nineteen people who were fired or resigned from Donald Trumpâs White House this week, there have also been other notable recent departures. Michael Flynnâs top deputy Robin Townley was forced out of the job by the CIA last week.