Coal assay Coal assay Coal analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for coking, power generation or for iron ore smelting in the manufacture of steel. Coal comes in four main types or ranks: lignite or brown coal, bituminous coal or black coal, anthracite and graphite. Each type of coal has a certain set of physical parameters which are mostly controlled by moisture, volatile content (in terms of aliphatic or aromatic hydrocarbons) and carbon content. Moisture is an important property of
Highest Hopes: The Best of Nightwish Highest Hopes: The Best of Nightwish Highest Hopes: The Best of Nightwish is the third compilation album by Finnish symphonic metal band Nightwish. Their first, "Tales from the Elvenpath", was considered incomplete by many fans as it contains only tracks from "Oceanborn", "Over the Hills and Far Away", "Wishmaster" and "Century Child", leaving out "Angels Fall First". This compilation, though, contains songs from all previously released Nightwish albums, plus a live cover of Pink Floyd's "High Hopes". "Highest Hopes" was released in three different formats: Standard, Special Edition and Extended 2 CD. In addition to the normal version, a special