A person responsible for the implementation of electronic data interchange systems between companies. The EDI analyst is technical consultant for the trading partners and is involved with deploying systems using the traditional EDI standards and XML-based Web implementations.
Volcanic ash is also harmful when inhaled and  can damage the eyes and lungs. It can clog the engines of cars and  aircraft, and can bring down planes in flight. In some eruptions,  superheated clouds of ash and gas called pyroclastic flows race  down the slopes of a volcano.
Clouds are made up of tiny droplets or frozen crystals of water. 1  High-High level clouds form above 20,000 feet. 2  Because it is colder higher up, these clouds are mostly made of ice crystals. 3  High level clouds usually have the prefix cirro or cirrus in their name.