diff --git a/data/recipes/caterium_ingot.json b/data/recipes/caterium_ingot.json
index 2d0970f..26cef6a 100644
--- a/data/recipes/caterium_ingot.json
+++ b/data/recipes/caterium_ingot.json
@@ -7,4 +7,4 @@
     "clicks": 4,
     "requires": "caterium_technology"
   }
-]
+]
\ No newline at end of file
diff --git a/data/recipes/concrete.json b/data/recipes/concrete.json
index 926b36c..a47b98f 100644
--- a/data/recipes/concrete.json
+++ b/data/recipes/concrete.json
@@ -5,6 +5,6 @@
     "machine": "constructor",
     "crafting_time": 4,
     "clicks": 1,
-    "stage": "establishing"
+    "requires": "hub_upgrade_2"
   }
 ]
diff --git a/data/recipes/iron_rod.json b/data/recipes/iron_rod.json
index a90c571..e5b2119 100644
--- a/data/recipes/iron_rod.json
+++ b/data/recipes/iron_rod.json
@@ -1,9 +1,9 @@
 [
-    {
-        "input": { "iron_ingot": 1 },
-        "output": { "iron_rod": 1 },
-        "machine": "constructor",
-        "crafting_time": 4,
-        "clicks": 1
-    }
-]
\ No newline at end of file
+  {
+    "input": { "iron_ingot": 1 },
+    "output": { "iron_rod": 1 },
+    "machine": "constructor",
+    "crafting_time": 4,
+    "clicks": 1
+  }
+]
diff --git a/data/recipes/limestone.json b/data/recipes/limestone.json
new file mode 100644
index 0000000..aa2fe5b
--- /dev/null
+++ b/data/recipes/limestone.json
@@ -0,0 +1,8 @@
+[
+  {
+    "input": { },
+    "output": { "limestone": 1 },
+    "machine": "miner",
+    "requires": "hub_upgrade_2"
+  }
+]
diff --git a/data/recipes/machine/constructor.json b/data/recipes/machine/constructor.json
new file mode 100644
index 0000000..c04a75a
--- /dev/null
+++ b/data/recipes/machine/constructor.json
@@ -0,0 +1,10 @@
+[
+  {
+    "input": { "reinforced_iron_plate": 3, "cable": 2 },
+    "output": { "constructor": 1 },
+    "machine": "craft_bench",
+    "requires": "hub_upgrade_2",
+    "power_usage": 4,
+    "size": [ 9, 11, 8 ]
+  }
+]
diff --git a/data/recipes/machine/smelter.json b/data/recipes/machine/smelter.json
new file mode 100644
index 0000000..cbf902d
--- /dev/null
+++ b/data/recipes/machine/smelter.json
@@ -0,0 +1,10 @@
+[
+  {
+    "input": { "iron_rod": 5 },
+    "output": { "wire": 8 },
+    "machine": "craft_bench",
+    "requires": "hub_upgrade_1",
+    "power_usage": 4,
+    "size": [ 6, 10, 10 ]
+  }
+]
diff --git a/data/recipes/modular_frame.json b/data/recipes/modular_frame.json
index bb842c2..85f47f6 100644
--- a/data/recipes/modular_frame.json
+++ b/data/recipes/modular_frame.json
@@ -1,6 +1,6 @@
 [
   {
-    "input": { "reinforced_iron_plate": 3, "rod": 3 },
+    "input": { "reinforced_iron_plate": 3, "iron_rod": 3 },
     "output": { "modular_frame": 1 },
     "machine": "assembler",
     "crafting_time": 15,
diff --git a/data/recipes/reinforced_iron_plate.json b/data/recipes/reinforced_iron_plate.json
index 3da1632..f7708da 100644
--- a/data/recipes/reinforced_iron_plate.json
+++ b/data/recipes/reinforced_iron_plate.json
@@ -2,7 +2,9 @@
     {
         "input": { "iron_plate": 4, "screw": 24 },
         "output": { "reinforced_iron_plate": 1 },
+        "machine": "assembler",
         "crafting_time": 12,
-        "clicks": 3
+        "clicks": 3,
+        "requires": "hub_upgrade_2"
     }
-]
+]
\ No newline at end of file
diff --git a/data/recipes/screw.json b/data/recipes/screw.json
index 0e416d7..49a1d72 100644
--- a/data/recipes/screw.json
+++ b/data/recipes/screw.json
@@ -4,6 +4,7 @@
         "output": { "screw": 6 },
         "machine": "constructor",
         "crafting_time": 4,
-        "clicks": 2
+        "clicks": 2,
+        "requires": "hub_upgrade_2"
     }
 ]