A timer can be faulty.Logical formLearned from6 sentences. Coins can be faulty.Logical formLearned from6 sentences. Meters can be faulty.Logical formLearned from6 sentences. An electrical outlet can be faulty.Logical formLearned from6 sentences. (Brake systems) can be faulty.Logical formLearned from6 sentences. A brake can be faulty.Logical formLearned from6 sentences. Data can be faulty.Logical formLearned from6 sentences. (Pacemaker leads) can be faulty.Logical formLearned from6 sentences. A comparison can be faulty.Logical formLearned from6 sentences. Tires can be faulty.Logical formLearned from6 sentences. A button can be faulty.Logical formLearned from6 sentences. Orders can be faulty.Logical formLearned from6 sentences. (Gas appliances) can be faulty.Logical formLearned from6 sentences. A sensor can be faulty.Logical formLearned from6 sentences. A (consumer equipment) can be faulty.Logical formLearned from6 sentences.