glossary H
High efficiency particulate air filter (HEPA) refers to a filter which removes particles in the air by forcing it through screens containing microscopic pores.
High efficiency particulate air filter (HEPA) refers to a filter which removes particles in the air by forcing it through screens containing microscopic pores.
(#)The daily puzzle:
What does '*****' mean in the following text?
"***** is characterized as an individual, household or family as purchaser and user of goods as distinguished from business or industrial user who may buy for resale or re-manufacturing."
The answer and more