Assertion: paper's fiber | /r/ObjectUse | used by mill
Facets:
Source sentences:
text: Many mills' fiber costs have also been affected during the U.S. housing market slowdown of 2007–8 by the shutdown of many sawmills, particularly in Canada, since the virgin fiber used by mills generally comes from nearby sawmills in the form of wood chips produced as a residual product of the saw milling process.