About: http://webisa.webdatacommons.org/277056768

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	Although a solid cushioning material is presently preferred at the pads 64, 66 and 68, the pads can be constructed as envelopes containing air, liquid, gel or other pliable cushioning material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com