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The Working Class Goes to Heaven, released in the US as Lulu the Tool, is a 1971 Italian satirical political drama film directed by Elio Petri. It depicts a factory worker's realisation of his own condition as a simple tool in the process of production. The film was awarded the Grand Prix du Festival International du Film at the 25th Cannes Film Festival, sharing it with Francesco Rosi's The Mattei Affair. imdb.com