{HEAD ~ The hydrophilic coating} is deposited on the unipolar plates prior to the unipolar plates being assembled into {TAIL ~ the flow field plate} so that line of site deposition processes can be used to coat the flow field channels in the tunnel region 
{ HEAD ~ The hydrophilic coating } is deposited on the unipolar plates prior to the unipolar plates being assembled into { TAIL ~ the flow field plate } so that line of site deposition processes can be used to coat the flow field channels in the tunnel region
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL 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