HEPA Stands for “significant-efficiency particulate air.” The filter technology is the result of an industrial have to have that became essential inside the Atomic Age: high volumes of pretty cleanse air, critical for the production of microprocessors together with other sensitive instruments. กิจกรรมเพื่อสาธารณะประโยชน์ของบริษัท The shortage of oversight is a priority Successfully Submitted (Awaiting Approval)