Sweden has achieved an enviable standard of living under a mixed system of high-tech capitalism and extensive welfare benefits. Food processing is important and the leading manufactures include iron and steel, machinery, precision equipment, forest products, chemicals, and motor vehicles. Timber, hydropower, and iron ore constitute the resource base of an economy heavily oriented toward foreign trade. Copper, lead, and zinc ores and pyrite are also extracted. The chief exports are machinery, motor vehicles, paper goods, pulp and wood, iron and steel products, and chemicals. The main imports are machinery, petroleum and petroleum products, chemicals, motor vehicles, iron and steel, foodstuffs, and clothing. The principal trade partners are Germany, Norway, Denmark, Great Britain, and Finland.