Assertion: archaeologist | /r/CapableOf | use drone
Facets:
value: for a number of years
type: TEMPORAL
value: to speed up survey work
type: PURPOSE
Source sentences:
text: Archaeologists around the world use drones to speed up survey work and protect sites from squatters, builders and miners.
text: Archaeologists have been using drones for a number of years to capture sites from the air.