About: http://webisa.webdatacommons.org/401729006

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	The tower packing blocks involved here are used to form trickle filters, immersion trickle filters or submerged solid beds for biological treatment of waste water or other fluids (liquids or gases).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com