About: http://webisa.webdatacommons.org/35084096

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	Changeable liners allow patients with special medicinal needs to use additives, such as salt or other remedial medicaments without damaging the surfaces of the modular structural elements of the pool.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com