A (maintenance schedule) can be preventive.Logical formLearned from24 sentences. A (weight maintenance) can be long-term.Logical formLearned from24 sentences. Need can be for maintenance.Logical formLearned from24 sentences. An institution may undergo maintenance.Logical formLearned from24 sentences. A character may undergo maintenance.Logical formLearned from24 sentences. (Maintenance tasks) can be preventive.Logical formLearned from24 sentences. Networks may undergo maintenance.Logical formLearned from24 sentences. Maintenance can be on planes.Logical formLearned from24 sentences. A stock may undergo maintenance.Logical formLearned from24 sentences. A nuclear arsenal may undergo maintenance.Logical formLearned from24 sentences. (Maintenance costs) can be low.Logical formLearned from23 sentences. Housing may undergo maintenance.Logical formLearned from23 sentences. Urban infrastructure may undergo (maintenance functions).Logical formLearned from23 sentences. Maintenance may pertain-to a building.Logical formLearned from23 sentences. Way may undergo maintenance.Logical formLearned from23 sentences.