<http://webisa.webdatacommons.org/217916267>	<http://www.w3.org/ns/prov#value>	"It is preferable to use a plastic material such as nylon having a relatively low coefficient of friction with conventional rope material such as nylon, polypropylene, cotton and hemp." .
<http://webisa.webdatacommons.org/prov/292780717>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/217916267> .
<http://webisa.webdatacommons.org/217916267>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/217916267>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .