Read this amazing letter from Santa himself! Find out how Santa arrived at a special land where elves can change their shape and reindeer learn how to fly! Be one of the first to know how it's possible for Santa to deliver presents around the world in one magical night. And if you don't have a chimney, don't worry, they'll find another way!
The interest of the media in dust explosions increased considerably following two major grain-elevator disasters in the United States in 1979. Any oxidizable material that is dispersed in fine powder form may be explosive, and ignition sources with sufficient energy to ignite a dust cloud are easily produced in normal industrial processing.
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