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