About: http://webisa.webdatacommons.org/91163183

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	In this round, they made concrete samples from mixes that combined the coarse aggregate, obtained from the weak concrete, with one of the two types of sands they had collected in Haiti.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org