if (economy==0) {
            produce (blast_furnace_simple_produce_0,
                    [
                            IORE: incoming_cargo_waiting("IORE");
                            COAL: incoming_cargo_waiting("COAL");
                            SCMT: incoming_cargo_waiting("SCMT");
                    ],
                    [
                            STEL: (LOAD_PERM(10) * 8) / 8;
                    ],
                    0)
        }