Assertion: ply | /r/HasProperty | single strands
Facets:
value: of filaments
type: OTHER
Source sentences:
text: Single , or one-ply, yarns are single strands composed of fibres held together by at least a small amount of twist; or of filaments grouped together either with or without twist; or of narrow strips of material; or of single synthetic filaments extruded in sufficient thickness for use alone as yarn (monofilaments).