diff --git a/lignumis/prototypes/content/burner-assembling-machine.lua b/lignumis/prototypes/content/burner-assembling-machine.lua
index e121c90..a18e910 100644
--- a/lignumis/prototypes/content/burner-assembling-machine.lua
+++ b/lignumis/prototypes/content/burner-assembling-machine.lua
@@ -10,12 +10,15 @@ assembling_machine.next_upgrade = "steam-assembling-machine"
 assembling_machine.corpse = "burner-assembling-machine-remnants"
 assembling_machine.resistances = nil
 assembling_machine.graphics_set.animation.layers[1].filename =
-gfx .. "burner-assembling-machine.png"
+    gfx .. "burner-assembling-machine.png"
 assembling_machine.crafting_categories = {
-    "crafting",
     "basic-crafting",
+    "crafting",
+    "electronics",
+    "wood-processing-or-assembling",
     "organic-or-assembling",
-    "wood-processing-or-assembling"
+    "electronics-or-assembling",
+    "metallurgy-or-assembling"
 }
 assembling_machine.crafting_speed = 0.25
 assembling_machine.energy_source = {
diff --git a/lignumis/prototypes/content/steam-assembling-machine.lua b/lignumis/prototypes/content/steam-assembling-machine.lua
index 21d1742..8ed6512 100644
--- a/lignumis/prototypes/content/steam-assembling-machine.lua
+++ b/lignumis/prototypes/content/steam-assembling-machine.lua
@@ -16,10 +16,13 @@ assembling_machine.graphics_set = table.deepcopy(data.raw["assembling-machine"][
 assembling_machine.graphics_set.animation.layers[1].filename =
 gfx .. "steam-assembling-machine.png"
 assembling_machine.crafting_categories = {
-    "crafting",
     "basic-crafting",
-    "organic-or-assembling",
+    "crafting",
+    "electronics",
     "wood-processing-or-assembling",
+    "organic-or-assembling",
+    "electronics-or-assembling",
+    "metallurgy-or-assembling",
     "crafting-with-steam"
 }
 assembling_machine.crafting_speed = 0.5