About: http://webisa.webdatacommons.org/415084456

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	May 25, 2010 at 8:55 pm In my case??? I would say that there is some sort of water or liquid under your tiles??? (Hydrogen Pyroxide, H2O???> from Humidity.) No stress with that being said.
http://www.w3.org/ns/prov#wasQuotedFrom	stoneagefab.com