2. Source caused by human activities (Man-Made Sources)
indicates a 2 type is
(1) moving source (Mobile Source), including cars, motor, plane, etc.(2) stationary source (Stationary Sources) means the source can't move, such as industrial The air pollutants caused by the use of fuel and the process of production such as shown in the sample table(a) the combustion process of the boiler The furnace, which is intended to cause thermal
(b) smelting and translate metal
grinding raw materials, separating, mixing, processing and transport, causing the dust
Distillation of liquid fuels The use of solvents and paint cause hydrocarbon
construction cause dust
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