DescriptionSulfur-burning-at-day.PNG A piece of sulfurburning with a blue flame that can hardly be seen at daylight (but it can be seen in this photograph
fuels,
on using coal-gas to run gas turbines, on burning coal with greater efficiency and low sulfur emissions, as
well as basic research and system studies
org/wikipedia/commons/thumb/1/1a/Brosen_windrose.svg/600pxBrosen_windrose.svg.png, License: GNU Free Documentation)
A compass needle aligns to the Earth’s