Said fence in any Agricultural District, Conservancy District or R-1, R-2, R-3, R-4, R-4.5, R-5, R-6, R-7 or R-8 District may be constructed of brick, field stone, wood (decay-resistant wood), wrought iron, chain link (with a minimum thickness of nine gauge and a top support), decorative aluminum, vinyl, or other appropriate material as may be approved by the Zoning Administrator; however, a residential fence shall not be constructed of corrugated metal or other metal panels and shall not be an agricultural field fence or electric fence and shall not incorporate razor or barbed wire.