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.
Cloud sizes vary a lot. Remember that clouds arenât just the puffy white stuff floating in the sky. The steam rising up from a hot chocolate drink is also a cloud. This type of cloud is quite small in size but still considered clouds. As for the big masses of clouds in the sky: Usually these clouds donât get any bigger than 4-6 miles or 20,000-30,000 feet. But the really huge thunder clouds known as the cumulonimbus rises up to 60,000-70,000 feet or 12-14 miles.