<http://webisa.webdatacommons.org/prov/12234486>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/179695509> .
<http://webisa.webdatacommons.org/179695509>	<http://www.w3.org/ns/prov#value>	"Although the opening 52 is circular in FIG. 5, it is naturally allowable that the opening 52 is rectangular, hexagonal or other shapes." .
<http://webisa.webdatacommons.org/179695509>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/179695509>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .