About: http://webisa.webdatacommons.org/301626042

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	Manual interlocking brick machine Material: clay/mud/earth/cement/concrete, Raw materials: fired clay, crushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, gravel, perlite and other industrial wastes.
http://www.w3.org/ns/prov#wasQuotedFrom	alibaba.com