About: http://webisa.webdatacommons.org/138197527

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	The rubber coating 12 may either be made from a continuous rubber material or it has inner cavities (FIG. 4) filled by air or, if necessary, specific cushioning materials, such as a gel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es