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