<http://webisa.webdatacommons.org/416597878>	<http://www.w3.org/ns/prov#value>	"Compressed gases such as air, nitrogen, and carbon dioxide are often used in cleanrooms and are frequently employed in operations involving purging or overlaying." .
<http://webisa.webdatacommons.org/416597878>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cleanroom.gr> .
<http://webisa.webdatacommons.org/prov/281379521>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/416597878> .
<http://webisa.webdatacommons.org/416597878>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .