<http://webisa.webdatacommons.org/prov/214686496>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/107440777> .
<http://webisa.webdatacommons.org/107440777>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/107440777>	<http://www.w3.org/ns/prov#value>	"Nowhere in the art is a method or apparatus for maintaining worker comfort in a hot environment described using a cooling cap, an umbilical having a single liquid conduit, and alternately an umbilical having a liquid conduit and a gas conduit, and a cooling source connectable to the cooling cap by the umbilical; whereby the cooling source may consist of a container of liquid under pressure and a c" .
<http://webisa.webdatacommons.org/107440777>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .