About: http://webisa.webdatacommons.org/54657718

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 two layers of material 208,209 in the covering sheet 202 are preferably connected to each other, for example by glueing, ultrasonically, or by needling.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com