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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	Once the mud had hardened, the embedded straw strengthened the structure of the brick.In modern concrete, a variety of materials help make up aggregates, including sand and various sizes of gravel and crushed stone.
http://www.w3.org/ns/prov#wasQuotedFrom	howstuffworks.com