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<http://webisa.webdatacommons.org/455590865>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ncdcr.gov> .
<http://webisa.webdatacommons.org/455590865>	<http://www.w3.org/ns/prov#value>	"of factors, including unstable working surfaces, misuse of fall protection equipment and human error." .
<http://webisa.webdatacommons.org/prov/276031744>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/455590865> .