About: http://webisa.webdatacommons.org/320659538

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	Patches 39, may be necessary where a thicker non-absorbent layer 2 is used or where non-absorbent layers 2 are built out of wood or other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com