1. emission
Filters stop emission of gas into the atmosphere.
The air is polluted by emissions produced by cars and industry.
Well, it's very unlikely that we could cut all emissions.
Positron Emission Tomography uses a radioactive tracer to visualize metabolic activity within the human body.
2. gas emissions
3. gases emission
英語 "という言葉emisja gazów"(gases emission)集合で発生します。
Environmental issues + ecology4. gas discharge
英語 "という言葉emisja gazów"(gas discharge)集合で発生します。
komory spalania