diff --git a/data-final-fixes.lua b/data-final-fixes.lua
index 6a4865e..093189f 100644
--- a/data-final-fixes.lua
+++ b/data-final-fixes.lua
@@ -1,4 +1,5 @@
 require("stacking")
+require("prototypes/electronic-circuit-final")
 require("modules")
 -- require("tin-recipe-final-5d")
 -- require("tin-recipe-final-rrr")
@@ -11,5 +12,8 @@ if mods["space-exploration"] then
 end
 
 
+util.replace_ingredient("textplate-small-gold", "sulfur", "gold-ingot")
+util.replace_ingredient("textplate-large-gold", "sulfur", "gold-ingot")
+
 -- Must be last
 util.create_list()
diff --git a/data-util.lua b/data-util.lua
index 3373bb2..00af70d 100644
--- a/data-util.lua
+++ b/data-util.lua
@@ -312,6 +312,21 @@ function util.add_unlock(technology_name, recipe)
   util.add_effect(technology_name, {type="unlock-recipe", recipe=recipe})
 end
 
+-- Check if a tech unlocks a recipe
+function util.check_unlock(technology_name, recipe)
+  local technology = data.raw.technology[technology_name]
+  if technology and technology.effects then
+    for i, effect in pairs(technology.effects) do
+      if effect.type == "unlock-recipe" and effect.recipe == recipe_name then
+        return true
+      end
+    end
+  end
+  return false
+end
+
+
+
 -- remove recipe unlock effect from a given technology, multiple times if necessary
 function util.remove_recipe_effect(technology_name, recipe_name)
     local technology = data.raw.technology[technology_name]
diff --git a/modules.lua b/modules.lua
index 8509695..c0db24a 100644
--- a/modules.lua
+++ b/modules.lua
@@ -1,6 +1,11 @@
 -- Enable prod modules for some recipes
 -- Recipes with very specific ratios are deliberately excluded
-recipes = {}
+recipes = {
+  "electronic-circuit-silver", "silver-plate", "silver-wire",
+  "gold-ingot", "platinum-ingot", "palladium-ingot",
+  "temperature-sensor", "mlcc",
+}
+
 if mods["Krastorio2"] then
 end