| http://www.w3.org/ns/prov#value | - Tangible commodities such as gold and silver cannot evaporate because they are not created artificially.http://www.plata.com.mx/Mplata/articulos/articlesFilt.asp?fiidarticulo=207ReplyDeleteAnonymousWednesday, 10 April, 2013I am not invested in SLW and I do not research it.
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