<http://schema.org/keywords>
"ALUMINIUM, COPPER, free trial, GOLD, LEAD, SILVER, ZINC"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mcxcontrol.com/2015/03/18/if-you-hold-any-mcx-position-any-help-call-me-91-9041366508-36/>