About: http://webisa.webdatacommons.org/396333226

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	Additives, such as calcium chloride to induce shrinkage, pigments for color, and fibers for ductility, may be included.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com