Dry Powder 7 : Fire extinguishing agents for use on flammable metals. Each agent is typically designed for use on either a single metal or very similar metals
Wikipedia, The Free Encyclopedia, Glossary of firefighting equipment, Wikimedia Foundation, http://en.wikipedia.org/wiki/Glossary_of_firefight ing_equipment, CA, USA 2012. (Fr Srvc - Amer) {509}