About: http://webisa.webdatacommons.org/329938338

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	Another critical feature of a hazardous area industrial vacuum system, especially one used to collect combustible material such as coal dust, is its filtration system.
http://www.w3.org/ns/prov#wasQuotedFrom	thomasnet.com