Assertion: tractor | /r/HasProperty | built
Facets:
Source sentences:
text: Some tractors were built this way, with front wheels close together, to allow them to be driven through rows of growing crops without squashing them.
text: The limit was reached in 1988 when a tractor with seven engines was built.
text: Production at Cork never flourished during this first period, although a few thousand tractors a year were built.