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