Assertion: diesel exhaust pipe | /r/HasProperty | vertical
Facets:
value: sometimes
type: DEGREE
value: to blow the hot noxious gas
type: PURPOSE
Source sentences:
text: Sometimes a large diesel exhaust pipe is vertical, to blow the hot noxious gas well away from people; in such cases the end of the exhaust pipe often has a hinged metal flap to stop debris, birds and rainwater from falling inside.