Military bases may undergo concentration.Logical formLearned from7 sentences. Radiation may undergo concentrations.Logical formLearned from7 sentences. A (concentration camp director) can be brutal.Logical formLearned from7 sentences. Forms can be constituted-of-or-filled-with concentration.Logical formLearned from7 sentences. Concentrations can be in a continent.Logical formLearned from7 sentences. Primaries may undergo concentration.Logical formLearned from7 sentences. A man may undergo concentration.Logical formLearned from7 sentences. Images may show concentration of color.Logical formLearned from7 sentences. Concentration of persons can be on a beach.Logical formLearned from7 sentences. Concentration can be legendary.Logical formLearned from7 sentences. A person may see concentration.Logical formLearned from7 sentences. Democracies may undergo concentration.Logical formLearned from7 sentences. (Climate change) can be from concentration of (greenhouse gases).Logical formLearned from7 sentences. Concentrations of lead may drop.Logical formLearned from7 sentences. Slag may undergo concentrations.Logical formLearned from7 sentences.