Assertion: whistle | /r/HasProperty | hooked in the center of the filter
Facets:
value: to indicate
type: PURPOSE
value: typically
type: DEGREE
Source sentences:
text: Installation is quite easy and the whistle is typically hooked in the center of the filter to indicate when it becomes 50% clogged.
text: Installation is quite easy and the whistle is typically hooked in the center of the filter to indicate when it becomes 50% clogged.