THE INVISIBLE WALL

METAL FENCES AND FENCING; METAL FENCE POSTS AND STAYS; ARTICLES OF DRAWN AND ROLLED METAL, NAMELY, WIRES, PIPES, TUBES AND PALES; MOBILE AND STATIONARY METAL BARRIERS; RAZOR MESH AND WIRE; METAL SECURITY BARRIERS; METAL WALL SPIKES; METAL PALISADE FENCES AND COMPONENTS THEREFOR; COILED CONTINUOUS METAL STRIPS FOR USE AS FENCING, NAMELY, BARBED TAPE; CONCERTINA COILS, WIRES OF ALL KINDS