furnace has a shallow hearth and roof that help to remove impurities from the molten iron. the flame and gases pass across the top of the enclosed hearth, heat being reflected down onto the material in the hearth. this process has been replaced by the basic oxygen process in most modern facilities. pellets...
zinc alloy tin bismuth zinc powder tin indium silver bismuth alloy tin indium silver bismuth copper alloy tin lead silver bismuth alloy particles tin lead silver bismuth alloy powder tin silver bismuth copper alloy woods metal stick oxide forms bismuth oxide bismuth oxide nanoparticles bismuth oxide pellets...