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