Relacionar Columnas Economic sectors_1Versión en línea Economía por David Tordesillas 1 Open-cast mining 2 Energy industries 3 Underground mining 4 Processing industries 5 Artisan methods 6 Forestry 7 Deforestation 8 Industrial methods 9 Mining 10 Construction industries Companys makes tunnels below Earth's surface. Is growing trees for their wood or other products. The final products are handmade or made a small scale. Number of trees has decreased because of human activity. Big quantities of a product are made in a short time. Transform raw materials into "intermediate" products. Materials are removed from the surface. Make buildings and carry out public works (bridges and roads) Taking natural materials from the Earth's crust. Produces energy and supply homes and businesses with power.
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