(Emergency drills) may be held.Logical formLearned from7 sentences. Drills can be in practice.Logical formLearned from7 sentences. A male may participate in (team drills).Logical formLearned from7 sentences. A bunch can be constituted-of-or-filled-with drills.Logical formLearned from7 sentences. A drill can be steam-powered.Logical formLearned from7 sentences. Residents may know a drill.Logical formLearned from7 sentences. A male may attend drills.Logical formLearned from7 sentences. A (disaster drill) can be regional.Logical formLearned from7 sentences. A person may do a drill.Logical formLearned from7 sentences. (Air raid drills) can be weekly.Logical formLearned from7 sentences. A head may use a drill.Logical formLearned from7 sentences. A person can be through a drill.Logical formLearned from7 sentences. A male may finish a drill.Logical formLearned from7 sentences. A buzz can be in drills.Logical formLearned from7 sentences. A person may participate in drills.Logical formLearned from7 sentences.