Assertion: boomerang's flight path | /r/HasProperty | planar
Facets:
value: almost
type: DEGREE
Source sentences:
text: Nowadays, boomerangs are made in a way that their whole flight path is almost planar with a constant climb during the first half of the trajectory and then a rather constant descent during the second half.
text: Nowadays boomerangs are made in a way that their whole flight path is almost planar with a constant climbing during the first half of the trajectory and then a rather constant descent during the second half.