Trailer means every vehicle without motive power designed for carrying property or passengers
Gasoline tank truck means tank trucks or trailers equipped with a storage tank and used for the transport of gasoline from sources of supply to stationary storage tanks or to gasoline bulk facilities.
Semitrailer means every vehicle of the trailer type so designed and used in conjunction with a
semi-trailer means any trailer designed to be coupled to a motor vehicle in such a way that part of it rests on the motor vehicle and that a substantial part of its mass and the mass of its load is borne by the motor vehicle;
Tank means a stationary device, designed to contain an accumulation of hazardous waste which is constructed primarily of non-earthen materials (e.g., wood, concrete, steel, plastic) which provide structural support.