Explosives shall not be loaded or carried on any vessels carrying inflammable liquids, inflammable solids, oxidizing materials, mineral acids, as defined in Federal regulations for transportation of these explosives, or articles liable to spontaneous ignition, or to give off inflammable gases, unless the explosive be stored in separate rooms or otherwise so separated as to effectually prevent danger to the explosive from any of these articles, or from the vapor thereof. City Code, 1927, art. 15, §63 1950, art. 11, §65 1966, art. 10, §64 1976/83, art. 10, §64 Ord. 13-336