<http://webisa.webdatacommons.org/prov/165010286>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/383737498> .
<http://webisa.webdatacommons.org/prov/153153784>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/383737498> .
<http://webisa.webdatacommons.org/383737498>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/383737498>	<http://www.w3.org/ns/prov#value>	"The distribution stations also transmit control signals for activation of other warning devices such as sirens or bell and light" .
<http://webisa.webdatacommons.org/prov/310024263>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/383737498> .
<http://webisa.webdatacommons.org/383737498>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .