floatation additive

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Pumice — is a textural term for a volcanic rock that is a solidified frothy lava composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock. It is commonly, but not exclusively of silicic or… … Wikipedia
Future Force Warrior — is a United States military advanced technology demonstration project that is part of the Future Combat Systems project. [ [http://www.defense update.com/products/f/ffw atd.htm] ] The FFW project seeks to create a lightweight, fully integrated… … Wikipedia

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