<http://webisa.webdatacommons.org/315168049>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/315168049>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/214905400>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/315168049> .
<http://webisa.webdatacommons.org/315168049>	<http://www.w3.org/ns/prov#value>	"In operation, a steady-state flow of small light-obstructing particles or droplets, preferably having a diameter in the range of 1 to 3 microns, is dispersed in a compressible medium such as air." .