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<http://webisa.webdatacommons.org/320253411>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/320253411>	<http://www.w3.org/ns/prov#value>	"Typically, the rotatable disks 28 and 30 are made with plate steel, aluminum, or other suitable metal or material." .
<http://webisa.webdatacommons.org/prov/62320232>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320253411> .
<http://webisa.webdatacommons.org/prov/363606107>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320253411> .
<http://webisa.webdatacommons.org/prov/294561547>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320253411> .