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| Subject | Catalan | English |
| environ. | aire de residus | waste air Exhaust or gaseous air given off by any industrial, manufacturing or chemical process |
| environ. | aire respiratori | respiratory air Air volumes inspired and expired through the lungs |
| cinema | cinema a l’aire lliure | open-air movie theater амер. |
| cinema | cinema a l’aire lliure | open-air cinema брит. |
| environ. | interacció aire-aigua | air-water interaction The physical processes at the air-water interface: momentum, heat and mass transfer across the air-water interface, mixing of surface water by wind stress and wave breaking, directional wave spectra and wave forces on offshore structures. The air-water interaction is measured by the turbulence and gas exchanges resulting from the mixing of the water column by wind |
| environ. | purificació d'aire de residus | waste air purification gas (gas) |
| environ. | zona d'aire net | clean air area Areas where significant reductions in ozone forming pollutants have been achieved through industrial initiatives to control and/or prevent pollution, through implementation of transportation improvement plans, national efforts to reduce automobile tailpipe emissions and lower the volatility (evaporation rate) of gasoline |