be as stubborn as a mule

absorbent lining Appalachian Regional Commission b.c.g. vaccine chain type barker Citodon corynebacterium granulomatis maligni global buffer hammer sharpener Haparanda hemimyzon sheni holocene epoches kazuhiro medium-textured mercury jet rectifier powledge search out sense amplifiers summary judgment tetrahedral hemihedrism twenty-one (21) cm radiation