{HEAD ~ The temperature controlled chamber} has {TAIL ~ a bottom wall} of polymeric material located beneath the conveyor, an outer wall of polymeric material extending upward above the conveyor, a metallic top wall and a metallic inner wall which extends downward to the upper surface of the conveyor 
{ HEAD ~ The temperature controlled chamber } has { TAIL ~ a bottom wall } of polymeric material located beneath the conveyor , an outer wall of polymeric material extending upward above the conveyor , a metallic top wall and a metallic inner wall which extends downward to the upper surface of the conveyor
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH