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