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.
According to CNNMoney's Trump Jobs Tracker, 317,000 jobs have been created since Trump took office. The president is trying to take credit for nearly double that number of jobs. The ultimate authority on how many jobs are created (or lost) each month is the US Labor Department.