1. 1.2 Company background1.1 Introduction COAL-currently gaining high demand both in the country and abroad. -types: coal, charcoal, mangroves and others DEFINITION-active…
Journal of ScientiJic Exploration, Vol. 5 , No. 2, pp. 163-190, 1991 0892-33 1019 1 $3.00+.00 Pergamon Press plc. Printed in the USA. 0 1991 Society for Scientific Exploration…