same. However, it is unlikely the existing furnace was constructed to handle seven times the normal amount of fuel. Given that the furnace was probably already hot and that Nebuchadnezzar was impatient, there would not have been time to modify the furnace to accommodate that much additional fuel. Another variation of this possibility is that other fuels with more energy density could have been used to either supplement or replace the normal fuel, which was probably charcoal. Sanders suggested pitch,