In these sectors, water plays a very important role not so much from the point of view of overall water consumption, but from the point of view of its chemical and microbiological qualities, especially in the most critical points of the
manufacturing processes. The metallurgical industry, i.e. the metalworking industry in general and the iron and steel industry, meaning the ironworking industry, are
industrial sectors whose products are widely used in many other sectors of industry: automotive, naval and railways, mechanical construction, electrotechnical construction, construction, etc., so much so that the level of steel production in a country has long been considered an indicator of its degree of economic development.