1
It uses chemical products derived from petroleum.
2
provides the production and delivery of electric energy, often known as power, or electricity
3
it converts raw materials (oil, natural gas, air, water, metals, and minerals) into more than 70,000 different products.
4
The most important areas are in Cataloinia, the Basque Country, Valencia and Madrid
5
It comprises companies that use wood as raw material and produce pulp, paper, board and other cellulose-based products.
6
It is often considered an indicator of economic progress
7
is the construction of ships and floating vessels.
8
This sector is economically less important because of the economic crisis which began in 2008
9
is the process of working with metals to create individual parts, assemblies, or large scale structures
10
the science involved with the study, design, and manufacturing of airflight-capable machines
11
employ power to achieve desired forces and movement.
12
It includes the transformation of raw materials into primary products,the manufacture of capita goodsl and consumer goods
13
the production of yarn, and cloth and the subsequent design or manufacture of clothing and their distribution
