An optical sensor may be placed in (produce bags).Logical formLearned from9 sentences. Sensors may be knowned as tubes.Logical formLearned from9 sentences. Sensors can be wireless.Logical formLearned from9 sentences. Sensors can be at (power plants).Logical formLearned from9 sentences. Sensors may take note.Logical formLearned from9 sentences. Toys may be operated by sensors.Logical formLearned from9 sentences. Sensors can be in ways.Logical formLearned from9 sentences. Sensors can be in machines.Logical formLearned from9 sentences. (Seat sensors) can be in cars.Logical formLearned from9 sentences. Sensors can be constituted-of-or-filled-with some kinds.Logical formLearned from9 sentences. A company may make (laser sensors).Logical formLearned from9 sentences. Sensors may be imbedded in a highway.Logical formLearned from9 sentences. Combination can be with sensors.Logical formLearned from9 sentences. Work can be on sensors.Logical formLearned from9 sentences. (Sensor systems) can be netted.Logical formLearned from9 sentences.