The unipolar plates can be {HEAD ~ any suitable fuel cell unipolar plates}, such as {TAIL ~ stamped unipolar plates} or composite unipolar plates 
The unipolar plates can be { HEAD ~ any suitable fuel cell unipolar plates } , such as { TAIL ~ stamped unipolar plates } or composite unipolar plates
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH