Puff advantages

Smoke has been found to aid the daytime observance of tracer projectiles and also for tracking space vehicles during launch. Specific smoke tracers for training pilots have been produced (See Section 3 of this article). The 0.50 caliber M48 spotter-tracer was developed specifically to take advantage of the appearance of a smoke puff at the point of impact which persists for a longer time than does the flash... 

Margarine has always had the advantage over butter in that the properties of the product can be tailored to give the best performance in a particular system. For puff pastry, specialised margarines are easier to work with than butter. 

The advantage of rice grits is that they are light colored, high in starch, low in fat, and practically free of fiber (Chapter 14 Table 7.3). These grits have a high expansion rate, so they are ideally suited for production of direct-extruded puffs (Sema-Saldivar 2008, (Chapter 12). 

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