Single Phase Aerosol Air Freshener means an aerosol air freshener with the liquid contents in a single homogeneous phase and which does not require that the product container be shaken before use.
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;
Park model trailer means that term as defined in section 38a of the Michigan vehicle code, 1949 PA 300, MCL 257.38a.
Open type traction battery means a type of battery requiring filling with liquid and generating hydrogen gas that is released to the atmosphere.
Travel trailer means a vehicle: