<http://webisa.webdatacommons.org/prov/411323273>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/210366367> .
<http://webisa.webdatacommons.org/210366367>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/104578964>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/210366367> .
<http://webisa.webdatacommons.org/210366367>	<http://www.w3.org/ns/prov#value>	" material such as rubber or carpeting and tie the ladder securely to eliminate" .
<http://webisa.webdatacommons.org/210366367>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .