Assertion: reed's element | /r/CapableOf | retain blowing unit
Facets:
value: at a predetermined pivoting position
type: MANNER
Source sentences:
text: The blowing unit, which is pivotable about a longitudinal shaft of the body section, includes retaining elements that retain the blowing unit at a predetermined pivoting position, and scale marks for indicating a pivoting position of the blowing unit retained by the retaining elements.