<http://webisa.webdatacommons.org/prov/292780717>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/20189539> .
<http://webisa.webdatacommons.org/20189539>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/20189539>	<http://www.w3.org/ns/prov#value>	"In the FIG. 4 arrangement the water coupling socket 15 in the pick shank 4 houses a sealing sleeve 32 of resilient elastomeric or plastics material such as nylon, the bore of which is provided with circumferential ridges to be of corrugated form." .
<http://webisa.webdatacommons.org/20189539>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .