diff --git a/lignumis/prototypes/content/burner-agricultural-tower.lua b/lignumis/prototypes/content/burner-agricultural-tower.lua
index ee6bc84..e79a4d9 100644
--- a/lignumis/prototypes/content/burner-agricultural-tower.lua
+++ b/lignumis/prototypes/content/burner-agricultural-tower.lua
@@ -119,14 +119,14 @@ data:extend({
         localised_name = { "entity-name.burner-agricultural-tower" },
         icons = {
             { icon = Lignumis.graphics .. "icons/burner-agricultural-tower.png" },
-            { icon = "__base__/graphics/icons/copper-plate.png", scale = 0.25, shift = { 8, 8 } }
+            { icon = basic_circuit_board and "__base__/graphics/icons/copper-plate.png" or "__base__/graphics/icons/electronic-circuit.png", scale = 0.25, shift = { 8, 8 } }
         },
         energy_required = 10,
         ingredients = {
-            { type = "item", name = "stone-brick",       amount = 5 },
-            { type = "item", name = "wooden-gear-wheel", amount = 20 },
-            { type = "item", name = "lumber",            amount = 20 },
-            { type = "item", name = "copper-plate",        amount = 10 },
+            { type = "item", name = "stone-brick",                                                         amount = 5 },
+            { type = "item", name = "wooden-gear-wheel",                                                   amount = 20 },
+            { type = "item", name = "lumber",                                                              amount = 20 },
+            { type = "item", name = "copper-plate",                                                        amount = 10 },
             { type = "item", name = basic_circuit_board and "basic-circuit-board" or "electronic-circuit", amount = 10 }
         },
         results = { { type = "item", name = "burner-agricultural-tower", amount = 1 } },
@@ -134,4 +134,4 @@ data:extend({
     }
 })
 
-Technology:new("copper-processing"):addRecipe("burner-agricultural-tower-copper")
\ No newline at end of file
+Technology:new(basic_circuit_board and "copper-processing" or "electronics"):addRecipe("burner-agricultural-tower-copper")
diff --git a/lignumis/prototypes/content/lumber-mill.lua b/lignumis/prototypes/content/lumber-mill.lua
index 1d2f6ff..add1dd3 100644
--- a/lignumis/prototypes/content/lumber-mill.lua
+++ b/lignumis/prototypes/content/lumber-mill.lua
@@ -1,3 +1,4 @@
+local Technology = require("__cf-lib__/data/Technology")
 local LumberMillFactory = require(MF.buildings .. "LumberMill")
 local LumberMill = LumberMillFactory()
 
@@ -29,10 +30,10 @@ local lumber_mill_item = LumberMill.ItemBuilder:new()
 
 LumberMill.RecipeBuilder:new()
     :ingredients(table.trim({
-        { type = "item", name = "stone-brick",               amount = 40 },
-        { type = "item", name = "lumber",                    amount = 100 },
-        { type = "item", name = "wooden-gear-wheel",         amount = 100 },
-        { type = "item", name = "gold-plate",                amount = basic_circuit_board and 30 or 60 },
+        { type = "item", name = "stone-brick",       amount = 40 },
+        { type = "item", name = "lumber",            amount = 100 },
+        { type = "item", name = "wooden-gear-wheel", amount = 100 },
+        { type = "item", name = "gold-plate",        amount = basic_circuit_board and 30 or 60 },
         basic_circuit_board and { type = "item", name = "basic-circuit-board", amount = 30 } or nil,
         { type = "item", name = "burner-assembling-machine", amount = 5 }
     }))
@@ -47,27 +48,23 @@ LumberMill.TechnologyBuilder:new()
     :ingredients({ { "wood-science-pack", 1 }, { "steam-science-pack", 1 } })
     :apply()
 
-if not basic_circuit_board then
-    LumberMill.RecipeBuilder:new()
-        :ingredients({
-            { type = "item", name = "stone-brick",          amount = 40 },
-            { type = "item", name = "lumber",               amount = 50 },
-            { type = "item", name = "iron-gear-wheel",      amount = 50 },
-            { type = "item", name = "electronic-circuit",   amount = 20 },
-            { type = "item", name = "assembling-machine-1", amount = 2 }
-        })
-        :apply({
-            name = "lumber-mill-electronic-circuit",
-            localised_name = { "entity-name.lumber-mill" },
-            category = "wood-processing-or-assembling",
-            icons = {
-                { icon = lumber_mill_item.icon },
-                { icon = "__base__/graphics/icons/electronic-circuit.png", scale = 0.25, shift = { 8, 8 } }
-            }
-        })
-
-    table.insert(data.raw.technology["electronics"].effects, {
-        type = "unlock-recipe",
-        recipe = "lumber-mill-electronic-circuit"
+LumberMill.RecipeBuilder:new()
+    :ingredients({
+        { type = "item", name = "stone-brick",                                                         amount = 40 },
+        { type = "item", name = "lumber",                                                              amount = 50 },
+        { type = "item", name = "iron-gear-wheel",                                                     amount = 50 },
+        { type = "item", name = "copper-plate",                                                        amount = basic_circuit_board and 30 or 60 },
+        { type = "item", name = basic_circuit_board and "basic-circuit-board" or "electronic-circuit", amount = 30 },
+        { type = "item", name = "assembling-machine-1",                                                amount = 2 }
     })
-end
+    :apply({
+        name = "lumber-mill-copper",
+        localised_name = { "entity-name.lumber-mill" },
+        category = "wood-processing-or-assembling",
+        icons = {
+            { icon = lumber_mill_item.icon },
+            { icon = basic_circuit_board and "__base__/graphics/icons/copper-plate.png" or "__base__/graphics/icons/electronic-circuit.png", scale = 0.25, shift = { 8, 8 } }
+        }
+    })
+
+Technology:new(basic_circuit_board and "copper-processing" or "electronics"):addRecipe("lumber-mill-copper")