About: http://webisa.webdatacommons.org/153523953

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	It has been found in experiments that these distances are preferably 0.3D-1.3D, where D is an inner diameter of the tubular passage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com