About: http://webisa.webdatacommons.org/246804487

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	The vacuum pressurecanisters are set 3-5 feet off the floor and are empty of everything, including air, at thebeginning of the test.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov