Efforts may undergo concentration.Logical formLearned from17 sentences. (Military facilities) may undergo concentration.Logical formLearned from16 sentences. Ash may undergo concentrations.Logical formLearned from16 sentences. A male may be imprisoned in a (concentration camp).Logical formLearned from16 sentences. A molecule may undergo concentration.Logical formLearned from16 sentences. A survivor may pertain-to (concentration camps).Logical formLearned from16 sentences. Concentrations can be in finance.Logical formLearned from16 sentences. Concentration may vary.Logical formLearned from16 sentences. Microorganisms may undergo concentrations.Logical formLearned from16 sentences. Christians may undergo concentrations.Logical formLearned from16 sentences. Vapors may undergo concentration.Logical formLearned from16 sentences. Concentration can be in blood.Logical formLearned from16 sentences. Concentration may pertain-to a drug.Logical formLearned from16 sentences. Melanin may undergo concentration.Logical formLearned from16 sentences. Samples can be constituted-of-or-filled-with concentration.Logical formLearned from16 sentences.