--ingredients

rocket_mk2_ingred = {
    {"rocket-turret", 1},
    {"steel-gear-wheel", 10},
    {"steel-plate", 20},
    {"advanced-circuit", 20},
}
  
rocket_mk3_ingred = {
    {"rocket-turret-mk2", 1},
    {"brass-gear-wheel", 10},
    {"invar-alloy", 20},
    {"steel-bearing",10},
    {"advanced-circuit", 20},
}
  
rocket_mk4_ingred = {
    {"rocket-turret-mk3", 1},
    {"titanium-gear-wheel", 10},
    {"titanium-plate", 20},
    {"titanium-bearing",10},
    {"processing-unit", 20},
}
  
rocket_mk5_ingred = {
    {"rocket-turret-mk4", 1},
    {"nitinol-gear-wheel", 10},
    {"nitinol-alloy", 20},
    {"nitinol-bearing", 10},
    {"advanced-processing-unit", 20},
}