y --</p>
  <p> DOCTOR MARR<br>
    (interrupting)<br>
    -- refractory metals. Yes, I<br>
    know.</p>
  <p> And she strides deeper into the cave. Data follows.</p>
  <p> STAR TREK: &quot;Silicon Avatar&quot; - 7/31/91 - ACT TWO 22.</p>
  <p>32 INT. CAVE - ANOTHER ANGLE</p>
  <p> Doctor Marr runs a tricorder around the walls of the<br>
    cave.</p>
  <p> DOCTOR MARR<br>
    On two other occasions settlers<br>
    sought refuge in caves. Some of<br>
    them deeper underground than this<br>
