About: http://webisa.webdatacommons.org/157086707

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	Examples of particularly preferred transfer heads illustrated in FIGS. 4a-4d include trapezoids, semi-circles, and the like, or the transfer head may have protrusions or depressions such as slots, grooves, ribs and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com