What we do need is a knowledge of coal's elemental analysis. In other words, we need to know only how much carbon, hydrogen, sulfur, oxygen and nitrogen there is in a given coal. A typical elemental analysis of a bituminous coal is as follows: 82% carbon, 5% hydrogen, 1% nitrogen, 3% sulfur, 9% oxygen.
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Website-building tools. More exciting than operating systems are the tools you actually use to build your website â often referred to as âwebsite platforms,â as well. For example, you might hear, âWordPress is a great publishing platform.â However, WordPress is not an operating system; itâs a tool for you to publish.