About: http://webisa.webdatacommons.org/222462780

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	It may be noted that the pores of the insulating material, including in particular those made from porous ceramics, are generally not visible, even under considerable magnification.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com