Assertion: polypropylene | /r/ObjectUse | used in particular roofing membranes
Facets:
Source sentences:
text: Polypropylene is also used in particular roofing membranes as the waterproofing top layer of single-ply systems as opposed to modified-bit systems.
text: Polypropylene is also used in particular roofing membranes as the waterproofing top layer of single-ply systems as opposed to modified-bit systems.