<http://webisa.webdatacommons.org/191307031>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<infoplease.com> .
<http://webisa.webdatacommons.org/191307031>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/191307031>	<http://www.w3.org/ns/prov#value>	"A mirror can be made by coating glass with metallic silver derived from the reaction of a solution of a silver ammonia complex with an organic reducing agent such as formaldehyde." .
<http://webisa.webdatacommons.org/prov/68185385>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/191307031> .