Coal is classified in four main categories based on the amounts of carbon it contains and the heat energy it can produce. The higher ranks of coal typically contain more heat-producing energy. Lignite â Over time, heat and burial pressure turn peat into lignite. Lignite is somewhat light in color, soft and crumbly.
Note: The latest contact information is available at the DARS website. DARS provides services to Texans who are disabled and to families with children who have developmental delays.
Infrastructure as a service. Infrastructure as a service (IaaS) is an instant computing infrastructure, provisioned and managed over the Internet. Quickly scale up and down with demand, and pay only for what you use. IaaS helps you avoid the expense and complexity of buying and managing your own physical servers and other datacenter infrastructure.