Assertion: line brattice | /r/HasProperty | extended
Facets:
value: by pushing a moveable brattice section
type: MANNER
Source sentences:
text: Three embodiments are disclosed which allow the conventional line brattice to be extended when used in conjunction with conventional exhaust face ventilation.
text: The invention relates to an extensible line brattice which can be extended by pushing a moveable brattice section from a protected area to an unprotected area in a mine passageway.