เครื่องกรองอากาศ ขนาดเล็ก Secrets
HEPA stands for “large-efficiency particulate air.” The filter technological innovation is the result of an industrial have to have that grew to become significant from the Atomic Age: significant volumes of quite clear air, critical for the creation of microprocessors together with other delicate instruments.นอกจากนี้ ณ ป