About: http://webisa.webdatacommons.org/187225737

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	However, this conventional chemical filter including the mixture of the filtering base materials may not have good overall contaminant removal efficiency.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr