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    The 5 Sectors of the Economy,  · Primary Sector The primary sector of the economy extracts or harvests products from the earth such as raw materials and basic foods. Activities associated with primary economic activity include agriculture (both subsistence and commercial), mining, forestry, grazing, hunting and gathering, fishing, and quarrying. ...Expiring mine leases may hit steel sector hardest,  · While the mining leases of private commercial miners are being cancelled, the government recently renewed, up to 2030, the leases of captive mines allotted to top corporates.Mining,  · Mining operations can be grouped into five major categories in terms of their respective resources. These are oil and gas extraction, coal mining, metal ore mining, nonmetallic mineral mining and quarrying, and mining support activities.Mining Job Description | Career Trend,  · Job duties in the mining industry usually depend on the particular segment: oil and gas, metal ores, nonmetallic mineral mining (quarrying) and mining support. For example, coal miners can work in deep coal mines or on surface mining areas, where they are responsible for extracting coal, bringing it to the surface and transporting it to the buyers.Ancient Mining Tools and Techniques,  · Slow-going and dangerous it may have been, but ancient mining techniques were clever. The earliest mines sought cosmetic pigments for funerals. Picks and hammer stones are examples of stone age tools. Later, ancient man discovered metals which provided.

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    Key Financial Ratios to Analyze the Mining Industry,  · Within the mining industry are major mining companies and junior miners, which are smaller companies engaged in exploration. Investors and analysts gauge a company's profitability and ability to ...