Relier Pairs Economic sectors_1Version en ligne Economía par David Tordesillas 1 Construction industries 2 Energy industries 3 Artisan methods 4 Forestry 5 Underground mining 6 Mining 7 Open-cast mining 8 Industrial methods 9 Deforestation 10 Processing industries Is growing trees for their wood or other products. Produces energy and supply homes and businesses with power. Taking natural materials from the Earth's crust. Make buildings and carry out public works (bridges and roads) Companys makes tunnels below Earth's surface. Number of trees has decreased because of human activity. Transform raw materials into "intermediate" products. Big quantities of a product are made in a short time. The final products are handmade or made a small scale. Materials are removed from the surface.
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