(Maintenance checks) can be periodic.Logical formLearned from7 sentences. Records can be periodic.Logical formLearned from7 sentences. Trainings can be periodic.Logical formLearned from7 sentences. A generation can be periodic.Logical formLearned from7 sentences. A redistribution can be periodic.Logical formLearned from7 sentences. (Street protests) can be periodic.Logical formLearned from7 sentences. (Health checkups) can be periodic.Logical formLearned from7 sentences. (Accreditation reviews) can be periodic.Logical formLearned from7 sentences. (Price spikes) can be periodic.Logical formLearned from7 sentences. Squalls can be periodic.Logical formLearned from7 sentences. Troubles can be periodic.Logical formLearned from7 sentences. A (blood pressure) can be periodic.Logical formLearned from7 sentences. A friction can be periodic.Logical formLearned from7 sentences. (War games) can be periodic.Logical formLearned from7 sentences. A melting can be periodic.Logical formLearned from7 sentences.