Show Explosions Jiro mo often caused in flour mills and breweries by hv nails or other iron iron particles that find their wa way into tho the grain ain and strike th the steel rolls roIls of tho the mills miJI producing sparks and find igniting tho the fine finely i v pulverized material about them Recently a largo large melting concern concern concern con con- cern that had been troubled by mau many such explosions installed a set of ot electro electromagnets magnets over oer which the tho grain is passe passed before being prepared for tor shipment to the breweries All iron particles in tho the grain are arc thus picked up by the tho mn mag mag- nets |