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Air purification techniques:
- HEPA purifier- Mechanically traps particulate matter.
- Electrostatic air purifier - Statically charged fibers attract particulate matter.
- Electronic air cleaner (electrostatic precipitator (ESP)) - Induces a static charge in particles and then captures them on an oppositely charged plate or filter.
- UVC light - Ultraviolet C spectrum light destroys the structure of bacteria.
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