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<http://webisa.webdatacommons.org/317110244>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/310815584>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/317110244> .
<http://webisa.webdatacommons.org/317110244>	<http://www.w3.org/ns/prov#value>	"In addition, the light detecting part is a light detecting sensor for detecting light amount of the second laser unit reflected by the crack." .