idea by Charles Steinhardt

The puzzles in this section have answers that simply clue letter-number combinations:

  A1 (STEAK SAUCE)
2-D  (PLANAR)
  I3 (TRIIODIDE)
 4N  (FOREIGN)
  T5 (TURKMENHOWAYOLLARY)
  E6 (TECHNICAL SERGEANT)
 7C  (SEVEN SEAS)
  H8 (JUSTICE PAIN)

The answer is AD IN TECH.