About: http://webisa.webdatacommons.org/452833333

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 rigid boards 16 are preferably made of wood or other material, such as hard plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr