<http://webisa.webdatacommons.org/228960541>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/16219695>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228960541> .
<http://webisa.webdatacommons.org/228960541>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/228960541>	<http://www.w3.org/ns/prov#value>	"It is generally known to influence and vary light produced by a laser, in particular with reference to rotation and focusing." .