<http://webisa.webdatacommons.org/prov/130020901>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/145017269> .
<http://webisa.webdatacommons.org/145017269>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/145017269>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<newworldencyclopedia.org> .
<http://webisa.webdatacommons.org/145017269>	<http://www.w3.org/ns/prov#value>	"Re-breathers release few or no gas bubbles into the water, and use much less oxygen per hour because exhaled oxygen is recovered; this has advantages for research, frogman, photography, and other applications." .