Assertion: complex periscope | /r/CapableOf | operate on submarine
Facets:
value: in different fields of science
type: LOCATION
Source sentences:
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.