<http://webisa.webdatacommons.org/405177743>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/prov/113986645>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/405177743> .
<http://webisa.webdatacommons.org/405177743>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/405177743>	<http://www.w3.org/ns/prov#value>	"pushers 103 to 106 are altered sequentially in the operation in such a manner that, when the shoes 101 are in such a state as shown in the figure (that is, the aforesaid space 102 is located just before the pusher 103), the pusher 104 is operated to push" .