Concentration can be in a body.Logical formLearned from5 sentences. (Media ownership rules) may undergo concentration.Logical formLearned from5 sentences. Deuterium may undergo concentration.Logical formLearned from5 sentences. Concentration can be impaired.Logical formLearned from5 sentences. Some prisoners can be from a (concentration camp).Logical formLearned from5 sentences. (Dioxin concentrations) can be high.Logical formLearned from5 sentences. Weapons may undergo concentration.Logical formLearned from5 sentences. Steps can be constituted-of-or-filled-with concentration.Logical formLearned from5 sentences. (Calcium concentration) may undergo a regulation.Logical formLearned from5 sentences. Concentration can be in (drinking water).Logical formLearned from5 sentences. A person may practice concentration.Logical formLearned from5 sentences. A range can be constituted-of-or-filled-with (salt concentrations).Logical formLearned from5 sentences. (Ethylene glycol) may undergo concentrations.Logical formLearned from5 sentences. Concentrations may be needed.Logical formLearned from5 sentences. A problem can be concentration of power.Logical formLearned from5 sentences.