<http://webisa.webdatacommons.org/prov/72499146>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/144261760> .
<http://webisa.webdatacommons.org/144261760>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mass.edu> .
<http://webisa.webdatacommons.org/144261760>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/202827986>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/144261760> .
<http://webisa.webdatacommons.org/144261760>	<http://www.w3.org/ns/prov#value>	"Avoid being under heavy objects such as lights, wall hangings and other items which may fall." .