The following fences and walls and construction materials related thereto are specifically prohibited in all districts in the Township of Eagleswood: barbed wire, canvas, cloth, expandable and collapsible fences, and slab fences of any type. The ban on barbed wire shall not apply to fences or walls located on and necessary to the operation of a farm or to barbed wire strands placed atop a security fence or wall constructed between six feet and eight feet in height around a conforming commercial or industrial use, provided that the fence or wall conforms to all other standards and that no barbed wire be permitted in the front yard of nonfarm uses.