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Static Wikipedia: Italiano -Inglese (ridotta) - Francese - Spagnolo - Tedesco - Portoghese
 
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101 free audiobooks - Stampa Alternativa - The Open DVD - Open Bach Project  - Libretti d'opera - Audiobook PG

Industry

From Wikipedia, a free encyclopedia written in simple English for easy reading.

Industry includes all forms of economic activity. It can be divided into four sectors according to the nature of the activity.

Primary industry extracts natural materials and provides raw materials for secondary industry. Secondary industry processes raw materials or semi-finished goods into more valuable products. Tertiary industry is the provision of services. Quaternary industry is the activity related to the application, manipulation and transmission of information.

In a narrow sense, industry is confined to manufacturing activities.