Angelo Borelli, chairman of Assopiastrelle, the tile makers' trade association, says that his members and the machinery makers have a love-hate relationship.

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Galileo had taught the monk Castell, who had taught Borelli, who had taught the anatomist Malpighi, who had taught Valsalva, who had taught Morgagni, who had taught him.

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Each features a diva like Bertini, Gys, Menichelli and Borelli.

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