About: http://webisa.webdatacommons.org/335368653

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Personnel are also responsible for maintaining ventilation systems while a structure is in use, including changing filters and keeping vents clean so air can flow freely.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.net