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