diff --git a/data-updates.lua b/data-updates.lua
index eb02201..71abbcd 100644
--- a/data-updates.lua
+++ b/data-updates.lua
@@ -1,4 +1,6 @@
-require("recipe-updates")
+require("prototypes/tech-updates")
+require("prototypes/processing-unit-updates")
+require("prototypes/recipe-updates")
 require("map-gen-preset-updates")
 -- require("compatibility/bob")
 
diff --git a/data.lua b/data.lua
index 571acf8..30725b2 100644
--- a/data.lua
+++ b/data.lua
@@ -1,8 +1,13 @@
 require("prototypes/gold-ore")
 require("prototypes/gold")
 require("prototypes/silver")
-require("prototypes/plpd")
+require("prototypes/platinum")
+require("prototypes/palladium")
 require("prototypes/rich-copper")
+require("prototypes/temperature-sensor")
+require("prototypes/mlcc")
+require("prototypes/cpu")
+require("prototypes/mainboard")
 require("cables")
 
 local util = require("data-util");
diff --git a/prototypes/processing-unit-updates.lua b/prototypes/processing-unit-updates.lua
new file mode 100644
index 0000000..1db3675
--- /dev/null
+++ b/prototypes/processing-unit-updates.lua
@@ -0,0 +1,14 @@
+local util = require("data-util")
+
+if mods.bzsilicon then
+  util.remove_ingredient("processing-unit", "silicon")
+  util.remove_ingredient("processing-unit", "silicon-wafer")
+  util.remove_ingredient("processing-unit", "sulfuric-acid")
+  util.remove_ingredient("processing-unit", "electronic-circuit")
+  util.remove_ingredient("processing-unit", "advanced-circuit")
+  --util.set_ingredient("processing-unit", "electronic-circuit", 1)
+  --util.set_ingredient("processing-unit", "advanced-circuit", 1)
+  util.add_ingredient("processing-unit", "cpu", 1)
+  util.set_recipe_time("processing-unit", 4)
+end
+util.add_ingredient("processing-unit", "mainboard", 1)
diff --git a/prototypes/recipe-updates.lua b/prototypes/recipe-updates.lua
new file mode 100644
index 0000000..c4c63c8
--- /dev/null
+++ b/prototypes/recipe-updates.lua
@@ -0,0 +1,10 @@
+local util = require("data-util")
+
+if mods.bztitanium then
+  util.replace_ingredient("heat-exchanger", util.titanium_plate, "titanium-palladium-flange")
+  util.replace_some_ingredient("steam-turbine", util.titanium_plate, 10, "titanium-palladium-flange", 10)
+else
+  util.add_ingredient("heat-exchanger", "titanium-palladium-flange", 10)
+  util.add_ingredient("steam-turbine", "titanium-palladium-flange", 10)
+  util.add_ingredient("rocket-silo", "titanium-palladium-flange", 100)
+end
diff --git a/recipe-updates.lua b/recipe-updates.lua
deleted file mode 100644
index e69de29..0000000