Miscellaneous specialists have observed that although contemporarily the common trend
is directed into rising role of the services, a significant percentage of the GDP of the most of countries on the Earth is referred to the industry
. It is indicated by the fact that, above all, this topic of economy is pretty likely to be an influential element of the existence of the mankind even in the longest predictions connected with the future. It is implied by the fact that due to it we have been given with different inventions like for example motorways, skyscrapers, cars
, airplanes etc.