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.
Cumulus clouds are fair-weather clouds. When they get big enough to produce thunderstorms, they are called cumulonimbus. These clouds are formed by upwelling plumes of hot air, which produce visible turbulence on their upper surfaces, making them look as though they are boiling.