<http://webisa.webdatacommons.org/3803548>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/516198916>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/3803548> .
<http://webisa.webdatacommons.org/3803548>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/3803548>	<http://www.w3.org/ns/prov#value>	"laser light beam from 1 ??m to 500 ??m, in particular 1 ??m to 250" .