Relier Pairs Economic sectors_2Version en ligne Economía par David Tordesillas 1 International trade 2 The tertiary sector 3 Social and support services 4 Trade 5 Consumer goods industries 6 Domestic trade 7 Entertainment and leisure services 8 The service sector 9 The secondary sector 10 Retail Provides services to customers It is also called the tertiary sector A trader buys and sells in the same country. Madrid, Bilbao y Barcelona. These services improve the quality of life. Goods are bought and sold between businesses. The direct sale of goods to an individual. Make final products Provide help for individuals or companies. A trader buys and sells in different countries.