Thunderstorm, lightning,water fall are the natural phenomena that introduces Negative Air Ions in the surroundings.These NAI destroy many air pollutants and thereby gives us a sense of well being. Due to man made activities and industrial revolution the concentration of positive ions increases causing air pollution. Fog/Dust/Smoke/Pollen/Chemical Fumes/Bio-aerosols are the particulate responsible for Air Quality. This book explains the removal of these aerosols by using simple and economic Air Ion... Mehr
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