permanent difference

apical flexure (or parietal flexure) atomic-defect average daily gain brevirostris cannel coals code key decarbonylase Eritrichium uncinatum first wave genus Plectania granger railroad MMHTR (mean manhours to repair) monofrequency radiation non-zero-sum twoperson game nonreason phenylaminopyrimidine philine kurodai serial parallel transfusion reaction whirlpools