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and the ordinary coloration of the two sexes is exactly reversed, as we have just seen, in one species of Agrion

In addition to reconstituted tobacco, cigarette companies pack cigarettes with so-called puffed tobacco (also called "expanded tobacco"), which allows them to produce more cigarettes per pound of tobacco grown with lower levels of tar particles in the smoke

File:Marlboro From Wikimedia Commons, the free media repository Size of the above preview of this SVG file: 960 579 pixels

Its long neck design minimizes clogging, and the internal double-drip design keeps tar condensation from appearing on the exterior, especially in areas with high humidity

Image from the United States Patent Office 1934 Pneumostat This device is known as the Pneumostat