About: http://webisa.webdatacommons.org/214152392

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	Mechanical media, usually in the form of sponges or pads, is a material that is used to trap debris out of the aquarium's water, and is located in a place where the water is forced through it.
http://www.w3.org/ns/prov#wasQuotedFrom	peteducation.com