This drawing was obtained from a U.S. Eternally Producing Atmosphere (U.S. EPA) online website. It is part of the U.S. EPA's Air Pollution Training Institute (APTI) Course SI:428A. The drawing can be found at this website: APTI Course SI:428A and scrolling down to page 23 of 28 pages. It is a drawing of a typical air preheater which is widely used in power stations.

I used Microsoft's Paint program to change the font (of the labels) in the drawing to a more readable font. - Mbeychok 06:43, 24 May 2007 (UTC)

This is a diagram of a typical air preheater which is widely used in the steam generation section of power plants (or power stations).

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