Once changed to a conforming use, no structure or land shall be permitted to revert to a nonconforming use. A nonconforming use may be changed to another nonconforming use only under the following conditions:
A. Such change shall be permitted only by special exception, under the provisions of this Ordinance.
B. The applicant shall show that the proposed change will be less objectionable in external effects than the existing nonconforming use with respect to:
(1) Traffic generation and congestion including truck, passenger, car and pedestrian traffic.
(2) Noise, smoke, dust, fumes, vapors, heat, odor, glare, or vibration.
(3) Waste disposal.
(4) Appearance.
(5) Hours of operation.
(6) Outdoor storage.