(Lead levels) can be high.Logical formLearned from333 sentences. A level can be constituted-of-or-filled-with integration.Logical formLearned from332 sentences. Levels can be constituted-of-or-filled-with pcbs.Logical formLearned from332 sentences. Levels can be varied.Logical formLearned from332 sentences. Levels can be constituted-of-or-filled-with use.Logical formLearned from330 sentences. (Blood levels) can be high.Logical formLearned from330 sentences. Levels can be low.Logical formLearned from329 sentences. A level may pertain-to a student.Logical formLearned from329 sentences. Levels can be constituted-of-or-filled-with training.Logical formLearned from329 sentences. Levels can be constituted-of-or-filled-with economic development.Logical formLearned from328 sentences. A level can be constituted-of-or-filled-with autonomy.Logical formLearned from328 sentences. A level can be constituted-of-or-filled-with consistency.Logical formLearned from328 sentences. Some percent can be constituted-of-or-filled-with levels.Logical formLearned from327 sentences. Levels can be constituted-of-or-filled-with (air pollution).Logical formLearned from326 sentences. A level can be constituted-of-or-filled-with organization.Logical formLearned from323 sentences.