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