Assertion: batman's mask | /r/HasAspect | small percentage of lead
Facets:
Source sentences:
text: The mask has a small percentage of lead, which shields Batman's face from X-ray powers or X-ray technology, and incorporates an infrared and night vision viewer, auditory sensors and a sonar.
text: The mask has a small percentage of lead, which shields Batman's face from X-ray powers or X-ray technology, and incorporates an infrared and night vision viewer, auditory sensors and a sonar.