Assertion: glider | /r/ObjectUse | used for cross-country flying
Facets:
Source sentences:
text: As their performance improved, gliders began to be used for cross-country flying and now regularly fly hundreds or even thousands of kilometres in a day if the weather is suitable.
text: As their performance improved, gliders began to be used for cross-country flying and now regularly fly hundreds or even thousands of kilometres in a day if the weather is suitable.