<http://webisa.webdatacommons.org/prov/319448474>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/376226602> .
<http://webisa.webdatacommons.org/prov/145346669>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/376226602> .
<http://webisa.webdatacommons.org/376226602>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/376226602>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/376226602>	<http://www.w3.org/ns/prov#value>	"Though the previous embodiments illustrate a single polygon mirror for the optical scanning element or mechanism, other configurations may be employed such as for example a rotating optical polygon of any suitable number of facet mirrors, a rotating holographic disk, a pair of rotating single facet mirrors, and a pair of pivoting single facet mirrors, or any other suitable scanning mechanism." .