Assertion: riser | /r/HasAspect | vertical pipes
Facets:
value: with another in the secondary system
type: OTHER
value: for a double lining system
type: PURPOSE
value: on them
type: LOCATION
Source sentences:
text: For a double lining system, with a riser pipe in the primary system and another in the secondary system, both risers will have vertical pipes on them, and both connected to the vacuum source.