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1. [CBQ] "Air Brake Class." (score: 1): Author: "Karl L Rethwisch" <qrailroadman@yahoo.com>; Date: Mon, 24 Jul 2006 09:05:28 -0600; Let's start with freight brake equipment first. Reducing the air pressure in the trainline applies the brakes. Increasing that same air pressure releases the brakes. Simple! When an Engineer decides; /archives/BRHSLIST/2006-07/msg00127.html (12,675 bytes)

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