double connection checking

a thumb in someone's eye age pigment brick flat arch brocklehursts BSSPD column clamp e-mail aliasing laxiflora martinite (whitlockite) medium size coal mine Merijärvi nichrome alumino-nickel couple page description language(pdl) presidential succession register transfer microprogramming language species-typical swear someone to secrecy tool length offset triazo-methane upward trend