Theaters may undergo concentration.Logical formLearned from14 sentences. Enzymes may undergo concentrations.Logical formLearned from14 sentences. Radon may undergo concentration.Logical formLearned from14 sentences. Concentrations can be deadly.Logical formLearned from14 sentences. A network can be constituted-of-or-filled-with (concentration camps).Logical formLearned from14 sentences. Concentrations may reach levels.Logical formLearned from14 sentences. A course can be in concentration.Logical formLearned from14 sentences. Problems can be in concentration.Logical formLearned from14 sentences. Concentration can be in science.Logical formLearned from14 sentences. Alkaloids may undergo concentrations.Logical formLearned from14 sentences. Galleries may undergo concentration.Logical formLearned from14 sentences. Knowledge may undergo concentration.Logical formLearned from14 sentences. Radioactive material may undergo concentrations.Logical formLearned from14 sentences. A constituent may undergo concentration.Logical formLearned from14 sentences. A line can be constituted-of-or-filled-with concentration.Logical formLearned from14 sentences.