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| Subject | Finnish | English |
| environ. | kaasunpoisto kaatopaikasta | landfill degasification Landfill gas is highly dangerous as methane is highly explosive; therefore it must be controlled at all operational landfill sites, whether by active or passive ventilation or both especially in the case of deep sites. There exist venting systems for shallow and deep sites respectively |
| environ. | kaasunpoisto kaatopaikasta | landfill degasification |
| met. | kaasunpoisto tyhjiössä | vacuum refining |
| met. | kaasunpoisto tyhjiössä | vacuum degassing |
| agric. | kaasunpoisto vedestä | water degassing |
| el. | keskitetty kaasunpoisto | central gas outlet |