Emissions can be from fuels.Logical formLearned from10 sentences. A x-ray may undergo an emission.Logical formLearned from10 sentences. Emissions can be bright.Logical formLearned from10 sentences. Emissions can be from equipment.Logical formLearned from10 sentences. Emissions can be large-scale.Logical formLearned from10 sentences. Emissions can be by developing countries.Logical formLearned from10 sentences. (Vehicle emission standards) can be stringent.Logical formLearned from10 sentences. (Ozone depleting substances) may undergo emissions.Logical formLearned from10 sentences. (Emission lines) can be faint.Logical formLearned from10 sentences. A (x-ray emission) can be faint.Logical formLearned from10 sentences. Thermal emission can be from dust.Logical formLearned from10 sentences. A focus can be on emissions.Logical formLearned from10 sentences. Emission may be observed.Logical formLearned from10 sentences. Reductions can be in some emissions.Logical formLearned from10 sentences. A metric tons may undergo emissions.Logical formLearned from10 sentences.