Limits on storage and use. In no case shall self-service storage facilities permit the storage or maintenance of radioactive, hazardous materials, explosive or controlled substances. The servicing or repair of automotive equipment, tools or machinery and the construction or fabrication of goods or materials shall not take place on the site, either inside or outside the bounds of an individual storage unit. The operation of power tools, spray equipment, compressors and other equipment shall not be permitted as an adjunct to the use or lease of any storage unit. Auctions, garage or tag sales or any other commercial or private sales shall not take place on the site either by lessees of storage units or by the owners or operators of the site. Parking spaces required pursuant to Subsection
R(10) below may not be rented as nor used for vehicular storage spaces. No additional parking spaces other than those required pursuant to Subsection
R(10) below may be provided for the unenclosed storage of vehicles or items, including but not limited to automobiles, motorcycles, trucks, trailers, vans, recreational vehicles, campers, boats or watercraft except that, in the event that the applicant can demonstrate that under no circumstances would the above-listed vehicles or items be visible to any other off-site location either by virtue of existing conditions such as topography or other permanent screening or by virtue of proposed permanent screening, such open storage shall be permitted subject to Planning Board approval. Notwithstanding the foregoing, nothing in this subsection shall be construed as permitting the unenclosed storage of wrecked, inoperable or dismantled vehicles at a self-service storage facility.