Assertion: artillery | /r/HasProperty | laid
Facets:
Source sentences:
text: Until recoil systems were invented in the late 19th century and integrated into the gun carriage or mount, guns moved substantially backwards when they fired, and had to be moved forward before they could be laid.
text: When the guns are laid an electric tube (i.e., primer) is inserted and the signal goes up to the observing station that all is ready for firing.