<http://webisa.webdatacommons.org/prov/342188175>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/438683381> .
<http://webisa.webdatacommons.org/438683381>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/438683381>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/438683381>	<http://www.w3.org/ns/prov#value>	"Gimbal mechanism 240 can be supported by a grounded surface 242, which can be, for example, a surface of the housing of interface device 14 (schematically shown as part of member 244), a base, tabletop, or other surface that is fixed in position with reference to the user." .