Assertion: lectern | /r/HasProperty | second steel shield
Facets:
value: inside the outer shell
type: LOCATION
Source sentences:
text: That lectern had a 1/8 inch steel shield mounted inside its outer shell, and just inside the outer shell was a second steel shield which, in case of emergency, could be raised approximately 23 inches in one second by compressed air -- making the total shield 66 inches high.