{HEAD ~ The nitride coating} on the boat buffers {TAIL ~ the contraction differential} between the PSG and stainless steel to significantly reduce flaking of PSG 
buffers
{ HEAD ~ The nitride coating } on the boat buffers { TAIL ~ the contraction differential } between the PSG and stainless steel to significantly reduce flaking of PSG
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH