produce (secondary_produce,
  0, 0, 0,
  produced_cargo_waiting_1 * (LOAD_PERM(0) & 0xFFFF) / 256,
  produced_cargo_waiting_2 * (LOAD_PERM(0) & 0xFFFF) / 256,
);


FOR_EACH_BEGIN (cargo in [INDUSTRYTYPE_SAWMILL, INDUSTRYTYPE_OIL_REFINERY, INDUSTRYTYPE_TEMPERATE_FACTORY, INDUSTRYTYPE_TROPICAL_FACTORY, INDUSTRYTYPE_PRINTING_WORKS, INDUSTRYTYPE_STEEL_MILL, INDUSTRYTYPE_FOOD_PROCESSING_PLANT, INDUSTRYTYPE_PAPER_MILL, INDUSTRYTYPE_LUMBER_MILL, INDUSTRYTYPE_SWEETS_FACTORY, INDUSTRYTYPE_TOY_FACTORY, INDUSTRYTYPE_FIZZY_DRINKS_FACTORY])
item (FEAT_INDUSTRIES, item_industry_cargo) {
  property {
    substitute: cargo;
    override: cargo;
    prod_multiplier: [5, 0];
  }
  graphics {
    random_prod_change: switch_prod_change;
    monthly_prod_change: monthly_check;
    produce_cargo_arrival: secondary_produce;
  }
}
FOR_EACH_END