About: http://webisa.webdatacommons.org/201785563

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	Preferred modules have an opening in the rear, so that sand, gravel or other material may be placed inside the modules to increase their mass and stability.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com