(Price increases) can be periodic.Logical formLearned from9 sentences. Essays can be periodic.Logical formLearned from9 sentences. A discharge can be periodic.Logical formLearned from9 sentences. Promotions can be periodic.Logical formLearned from9 sentences. (Software updates) can be periodic.Logical formLearned from9 sentences. (Review procedures) can be periodic.Logical formLearned from9 sentences. Ultrasounds can be periodic.Logical formLearned from9 sentences. Electronic newsletter can be periodic.Logical formLearned from9 sentences. (Status updates) can be periodic.Logical formLearned from9 sentences. A direction can be periodic.Logical formLearned from9 sentences. A requalification can be periodic.Logical formLearned from9 sentences. A trip can be periodic.Logical formLearned from9 sentences. A warfare can be periodic.Logical formLearned from9 sentences. Notifications can be periodic.Logical formLearned from9 sentences. Sightings can be periodic.Logical formLearned from9 sentences.