Today, every one knows about Air conditioning(  known as AC) .  Lets know how air conditioning benefits at workplace or home? Air conditioning gives us comfort zone at our working place . Bcoz comfort zone increase efficiency of human beings & machines. Air conditioning maintain not only temp. but humidity also . This  concept is not new .  In ancient time, people also used this concept. But that time they used only traditional method of air conditioning . Modern Air conditioning is different from traditional . In that time people Read More