About: http://webisa.webdatacommons.org/393634777

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	Such other porous diffusers have been made of plastic beads, organic particles with or without a binder, glass beads, metal particles, and other such materials that are inert to the chemicals in the fluid sewage bath.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com