The following definitions shall apply in the interpretation of this Chapter, unless the context otherwise requires:
EXPLOSIVE: Includes any chemical compound and any mechanical mixture (including gases) containing any oxidizing and combustible units or other ingredients in such proportions, quantities or packing that an ignition by fire, friction, concussion, percussion or detonation of any part of the compound or mixture may cause sudden generation of highly heated gases so that the resultant gaseous pressures are capable of producing destructive effects; and the term "explosive" shall include fixed ammunition, fireworks and other manufactured articles which contain explosives as defined above, but no fuses so constructed and packed as to render explosion impossible.
FLAMMABLE LIQUID: Is construed to include gasoline, naphtha, benzine, kerosene, motor fuel oil, or any other liquid having a flash point of seventy degrees (70°) F. or below, by the closed cup test method.
TANK TRAILER: Any vehicle without motive power but drawn by a motor vehicle, used for the transportation of explosives, flammable liquids, or liquefied petroleum gases, and which for such purpose is provided with a tank or tanks mounted thereon.
TANK SEMI-TRAILER: A vehicle of the trailer type having one or more axles and two (2) or more wheels, so designed and used in conjunction with a motor vehicle that some part of its own weight and that of its own load rests upon or is carried by another vehicle; used for the transportation of explosives and flammable liquids or liquefied petroleum gases and for which purpose is provided with a tank or tanks mounted thereon.
TANK TRUCK: Any motor vehicle used for the transportation of explosives, flammable liquids or liquefied petroleum gases, which for such purpose is provided with a tank or tanks mounted on the frame or chassis of such vehicle.
VEHICLE: Includes any vehicle, trailer or semi-trailer propelled by mechanical, motor or muscular power, other than a railroad car on rails. (1968 Code, §21.301)