Heavy industry may undergo a collapse.Logical formLearned from8 sentences. A recipe can be for economic collapse.Logical formLearned from8 sentences. An economy can be in collapse.Logical formLearned from8 sentences. A soviet collapse can be in a month.Logical formLearned from8 sentences. A sarcophagus may undergo a collapse.Logical formLearned from8 sentences. Ties may undergo a collapse.Logical formLearned from8 sentences. Cause of a collapse can be under_investigation.Logical formLearned from8 sentences. Nations may undergo a collapse.Logical formLearned from8 sentences. A collapse can be renewed.Logical formLearned from8 sentences. A collapse may manifest suddenness.Logical formLearned from8 sentences. Attempts may undergo a collapse.Logical formLearned from8 sentences. A collapse can be into anarchy.Logical formLearned from8 sentences. Interstellar clouds may undergo a collapse.Logical formLearned from8 sentences. A process can be constituted-of-or-filled-with collapse.Logical formLearned from8 sentences. Dams may undergo a collapse.Logical formLearned from8 sentences.