About: http://webisa.webdatacommons.org/251816491

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	The first problem is that, while liquids have a flat surface, powders and other solids do not.
http://www.w3.org/ns/prov#wasQuotedFrom	controlglobal.com