About: http://webisa.webdatacommons.org/394062896

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Preferably, this traction is exerted by vacuum suction, but other means, in particular mechanical means, are also capable of being used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com