?What is the need of ventilation
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SepVentilation is necessary to provide enough oxygen for metabolism processes and reduce the quantity of pollutants and dust particles present in air Proper ventilation in the house helps reduce the unwanted odor or smell Carbon dioxide amount is also balanced inside a building by ventilating areas Ventilation is among the main things that are considered while designing a home improvement design …..More on Free Air Conditioning
Source: ?What is the need of ventilation
