<http://webisa.webdatacommons.org/prov/183970468>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201511510> .
<http://webisa.webdatacommons.org/201511510>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/201511510>	<http://www.w3.org/ns/prov#value>	"structure be made mostly from aluminum and use a lightweighted primary mirror." .
<http://webisa.webdatacommons.org/201511510>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dfmengineering.com> .