A selection can be faulty.Logical formLearned from7 sentences. A link can be faulty.Logical formLearned from7 sentences. A cement can be faulty.Logical formLearned from7 sentences. An alternator can be faulty.Logical formLearned from7 sentences. A (window switch) can be faulty.Logical formLearned from7 sentences. Pipelines can be faulty.Logical formLearned from7 sentences. A law can be faulty.Logical formLearned from7 sentences. (Gas exploration techniques) can be faulty.Logical formLearned from7 sentences. A (computer component) can be faulty.Logical formLearned from7 sentences. Generators can be faulty.Logical formLearned from7 sentences. A pronunciation can be faulty.Logical formLearned from7 sentences. Tests can be faulty.Logical formLearned from7 sentences. (Gas turbines) can be faulty.Logical formLearned from7 sentences. A (smoke detector) can be faulty.Logical formLearned from7 sentences. A (ventilation equipment) can be faulty.Logical formLearned from7 sentences.