About: http://webisa.webdatacommons.org/132769309

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	For example, the diameter of a circular suction head may be from about 30 to 50 mm in diameters e.g. about 40 mm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es