<http://webisa.webdatacommons.org/139716334>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pcgrate.com> .
<http://webisa.webdatacommons.org/139716334>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/139716334>	<http://www.w3.org/ns/prov#value>	"By way of illustration, the grating parameters chosen such as groove profile and spacing can be used." .
<http://webisa.webdatacommons.org/prov/320633972>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/139716334> .