Light industrial uses which are not obnoxious or offensive by reason of emission of odor, dust, smoke, noxious gases, noise, vibration, glare, heat or other impacts, nor hazardous by way of materials, process, product, waste or other methods. These uses shall include the following:
1. Automobile towing and storage,
2. Manufacturing, processing or treatment of products,
3. Research and development and testing facilities,
4. Wholesale, storage and distribution,
5. Other uses determined by the planning director to be of a similar nature and not more objectionable than the uses listed above;