Assertion: pilot bore | /r/HasProperty | launched at angle
Facets:
value: to the horizontal
type: OTHER
value: from the surface
type: LOCATION
value: between 6 and 15 degrees
type: OTHER
Source sentences:
text: The pilot bore is launched from the surface at an angle between 6 and 15 degrees to the horizontal, and transitions to horizontal as the required depth is reached.