Assertion: complex periscope | /r/CapableOf | use prism
Facets:
value: of mirrors
type: LOCATION
Source sentences:
text: More complex periscopes, using prisms instead of mirrors, and providing magnification, are used on submarines.
text: The periscope is used in the submarines to see the events that are happening behind a wall or a barrier, and some submarines use complex periscopes that use the prisms or advanced fiber optics instead of mirrors to provide them the magnification, Complex periscopes operate on submarines and in different fields of science.