A person may cut_down costs of maintenance.Logical formLearned from13 sentences. (Maintenance calories) may pertain-to a person.Logical formLearned from13 sentences. Maintenance may be involved.Logical formLearned from13 sentences. Maintenance can be after a string of (safety incidents).Logical formLearned from13 sentences. (Making backups) may andperform maintenance.Logical formLearned from13 sentences. Lines may undergo maintenance.Logical formLearned from13 sentences. (Maintenance programs) may pertain-to persons.Logical formLearned from13 sentences. Persons can be maintenance.Logical formLearned from13 sentences. Maintenance can be on a vehicle.Logical formLearned from13 sentences. Preventive maintenance may require analysis of areas.Logical formLearned from13 sentences. A time can be for maintenance.Logical formLearned from13 sentences. A company may schedule for maintenance.Logical formLearned from13 sentences. A (maintenance routine) can be regular.Logical formLearned from13 sentences. Maintenance can be difficult.Logical formLearned from13 sentences. Maintenance can be in preparation.Logical formLearned from13 sentences.