In the real conditions of casting houses there is developed the technology of temperature raise of synthetic or half-synthetic hypoeutectic gray cast iron of cupola heat by 1525 C at insertion into bowl of 0. 25% exothermal additive (EA). consisting of aluminium with iron oxide in proportion 1:3. At that there is guaranteed the production of the high quality castings with characterist... https://vwlqmfe9p4pmk.timeblog.net/70682634/apprendere-al-museo-la-musica-come-storia-didattica-museale-e-costruzione-delle-conoscenze-storico-musicali