Show METALLURGY 6 6 F The class in Met G 6 is at present engaged In ln some base bullion Last week the class roasted copper ores determining the temperature temperature temperature tem tem- and composition of the roasting material at every stage in the process Preparations for the annual blast furnace run are under way but the date of the run is as as' asyet asyet as asyet yet some time ahead because it takes considerable considerable consider consider- able time to get the material together The ru run itself will last some twenty-four twenty or thirty six hours working both night and day shifts o 0 |