[Who's Who: The Emperor Hadrian] Hadrianic ceramics were prohibited for use by Jews -- white earthenware that absorbed the Roman wine, and then was broken and used again. But could it be used for not foodstuffs? Also, a question is raised when the halakhah isn't practical -- that the point isn't just to memorize the halakhah, but following it through, credit to Abaye. Plus, an idolatrous offering can render a place impure.