The term "fireworks" shall mean and include any combustible or explosive composition, or any substance or combination of substances, or article prepared for the purpose of producing a visible or audible effect by combustion, explosion, deflagration or detonation, and shall include sky rockets, Roman candles, dago bombs, blank cartridges, toy cannons, toy canes or toy guns in which explosives other than toy paper caps are used, the type of balloons which require fire underneath to propel the same, firecrackers, torpedoes, sparklers or other fireworks of like construction and any fireworks containing any explosive of flammable compound or any tablets or other device containing any explosive substance. Nothing in this section shall be construed as applying to toy paper caps containing not more than twenty five hundredths (0.25) of a grain of explosive composition per cap, and to the manufacture, storage, sale or use of signals necessary for the safe operation of railroads or other classes of public or private transportation, nor applying to the military or navy forces of the United States or of this state, or to peace officers, nor as prohibiting the sale or use of blank cartridges for ceremonial, theatrical or athletic events. (Ord. 126, 4-25-1967)