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other primary activities fishing forestry mining and quarrying america

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 farming grazing hunting and gathering fishing and quarrying Get Price And Support Online

As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan. If you are interested in these product, please contact us.

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