The production process of chromium steel involves the use of specialized furnaces <a href=https://politecnicotafalla.educacion.navarra.es/web/pgs/?istoriya_iz_ghizni_kak_moi_sosedi_taschili_samyy_tyaghelyy_stol_v_mire.html>https://politecnicotafalla.educacion.navarra.es/web/pgs/?istoriya_iz_ghizni_kak_moi_sosedi_taschili_samyy_tyaghelyy_stol_v_mire.html</a>