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
What a Beautiful Name Asker, Ligertwood said about the audience: Finally, she said about performing the song: In July 2017, the Voices of Lee, the "elite" a cappella singing group, posted a video of the song to their Facebook page. The cover was an instant hit and reached the so-called viral threshold of 5 million views in two days. As of October 2017, it had amassed 33 million views. The group represents Lee University in Tennessee; the video was filmed in the school's chapel. What a Beautiful Name "What a Beautiful Name" is a song by Australian praise and worship group Hillsong Worship. The