mineral industry of africa معنى"mineral industry of africa" أمثلة على "mineral" معنى "industry" معنى "of" معنى "africa" معنى "mineral industry of azerbaijan" معنى "mineral industry of somalia" معنى "seminar on the use of computers in the mineral industry" معنى "industry in africa" معنى "ministry of industry and mineral resources (saudi arabia)" معنى "companies of africa by industry" معنى "companies of south africa by industry" معنى "construction industry of africa" معنى "hospitality industry in africa" معنى "industry in africa by country" معنى "industry in south africa" معنى "military industry in south africa" معنى "sex industry in africa" معنى "regional conference on development and utilization of mineral resources in africa" معنى "regional conference on the development and utilization of mineral resources in africa" معنى "international symposium on the application of computers and operations research in the mineral industry" معنى "mineral" معنى "advisory group on the course on off-shore non-fuel mineral resources of west and central africa" معنى "industry" معنى "argillaceous mineral" معنى "arsenate mineral" معنى أمثلة The mineral industry of Africa includes the mining of various minerals; it produces relatively little of the industrial metals copper, lead, and zinc, but according to one estimate has as a percent of world reserves 40% of gold, 60% of cobalt, and 90% of the world's platinum group metals.
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