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.
The name volcano comes from Vulcan, the Roman god of fire! A volcano is formed when hot molten rock, ash and gases escape from an opening in the Earthâs surface. The molten rock and ash solidify as they cool, forming the distinctive volcano shape shown here. As a volcano erupts, it spills lava that flows downslope. volcano is formed when hot molten rock, ash and gases escape from an opening in the Earthâs surface. The molten rock and ash solidify as they cool, forming the distinctive volcano shape shown here.