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<http://webisa.webdatacommons.org/78536777>	<http://www.w3.org/ns/prov#value>	"A scanning mechanism can be used with light source 66 and for each of the other light sources discussed below such as a rotating mirror, a galvanometer mirror, or other well known scanning mechanisms commonly used for producing a raster scan of a surface with a light beam." .
<http://webisa.webdatacommons.org/prov/389098910>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/78536777> .