products chapter chapter description chapter- salt; sulphur; earths and stone; plastering materials, lime and cement chapter- ores, slag and ash chapter- mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes section- chapter ( to ) section vi - products...
techniques that will consistently show numerical differences between these products provide data with which the types, ranks, and grades can be determined. each of the principal coal producing countries in the world has a series of procedures or national standards. the technical committee on solid mineral...