About: http://webisa.webdatacommons.org/6578424

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Unitary rollers are most useful when formed of relatively rigid materials, such as some plastics, ceramics, and wood dowels used in supporting fabrics having a width of two meters or less.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es