Emissions

Dmay refer to:
Flue gas, also:
Exhaust gas, flue gas occurring as a result of the combustion of a fuel emission of air pollutants. Emission (electromagnetic radiation) the process by which the energy of a photon is released by another entity. Emission (radio communications), the radio signal (usually modulated) emitted from a radio transmitter.   Thermionic emission, the flow of charged particles called thermions from a charged metal or a charged metal oxide surface, archaically known as the Edison effect. Noise emission; Noise be dangerous and can damage your hearing.