Freon is a tasteless, mostly odorless gas. When it is deeply inhaled, it can cut off vital oxygen to your cells and lungs. Limited exposure — for example, a spill on your skin or breathing near an open container — is only mildly harmful. However, you should try to avoid all contact with these types of chemicals
Heating, ventilation, and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort. ... HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics and heat transfer. All About HVAC system.
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How to use that kind of freon not exposure
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