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