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aerial expendable bathythermograph (axbt) arctic hight barium cobalt(ii) formate curve of support diazogen red equanimity flat-shaped ingot forestop generator armature core inchoateness lavalier cord longitudinal slope mechanical reversibility phenylpiperazine polychromatic erythrocyte power interlocking device rhoiptelea chiliantha diels et hand-mazz steel production theory of optimum population for a closed economy thermal incineration