A group may maintain gross margins.Logical formLearned from5 sentences. Workers may increase productivity by a margin.Logical formLearned from5 sentences. Sovereignty can be by a margin.Logical formLearned from5 sentences. Operating margin may increase to some percent.Logical formLearned from5 sentences. (Refining margins) may decline.Logical formLearned from5 sentences. Improvement can be in (operating margins).Logical formLearned from5 sentences. Information can be in margins.Logical formLearned from5 sentences. Declines can be in margins.Logical formLearned from5 sentences. (Refining margins) can be tight.Logical formLearned from5 sentences. A net (interest margin) may undergo a narrowing.Logical formLearned from5 sentences. Gross (profit margins) can be strong.Logical formLearned from5 sentences. A net (interest margin) can be for a group.Logical formLearned from5 sentences. A margin can be in a voting.Logical formLearned from5 sentences. (Refining margins) can be for gasoline.Logical formLearned from5 sentences. Costs may crimp (profit margins).Logical formLearned from5 sentences.