<http://webisa.webdatacommons.org/201596207>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/281379519>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201596207> .
<http://webisa.webdatacommons.org/201596207>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/201596207>	<http://www.w3.org/ns/prov#value>	"As discussed more fully hereinafter, compressed air or other gas is injected into the tubing through the openings, and it is preferable that those openings be relatively large so that a cushion can be filled with air in a relatively short time." .