<http://webisa.webdatacommons.org/prov/42976775>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/321145436> .
<http://webisa.webdatacommons.org/321145436>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/321145436>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/321145436>	<http://www.w3.org/ns/prov#value>	"FIG. 1 is a plan view of a grinding apparatus constructed according to an embodiment of the present invention, particularly showing essential components constituting the grinding apparatus;" .