(Release sites) can be toxic.Logical formLearned from5 sentences. Surroundings can be toxic.Logical formLearned from5 sentences. Toxic waste may undergo a movement.Logical formLearned from5 sentences. A heavy metal can be toxic.Logical formLearned from5 sentences. Medications can be toxic.Logical formLearned from5 sentences. A screen can be toxic.Logical formLearned from5 sentences. Corridors can be toxic.Logical formLearned from5 sentences. Detectors can be toxic.Logical formLearned from5 sentences. A (substance case) can be toxic.Logical formLearned from5 sentences. Section may pertain-to toxic substances.Logical formLearned from5 sentences. Nitrates can be toxic.Logical formLearned from5 sentences. Metals can be toxic.Logical formLearned from5 sentences. Environmental agents can be toxic.Logical formLearned from5 sentences. (Cleaning materials) can be toxic.Logical formLearned from5 sentences. (Weed killers) can be toxic.Logical formLearned from5 sentences.