mulch
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- ozone control
- circulating fluidized bed combustor
- flow pattern of the atmosphere
- fuel metering
- World Radiation Network
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- Freon 504
- atmospheric chemistry
- deposition
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- SOTWE,State of the World Environment
- exhaust emission(s)
- granulate
- allyl chlorocarbonate
- heavy-duty vehicle
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- environmental police
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- environmental management of nuclear energy