It consists of a 2 x 6 meter long insulated tunnel. The inner surface of the entire tunnel is made of stainless steel. The sheets are transported through the tunnel on moving belts. The interior is
cooled by a thermostatically controlled A.C. unit of 24,000 BTU capacity. A minimum temperature of +6 C can be maintained inside the tunnel.
It consists of a 2 x 6 meter long insulated tunnel. The inner surface of the entire tunnel is made of stainless steel