About: http://webisa.webdatacommons.org/153971361

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	Or, building blocks may use a separate external reinforcing element, such as nails, rebar, or other hardware to reinforce the stability of the block structure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com