diff --git a/Concept.md b/Concept.md
index e3410f8..0faa54c 100644
--- a/Concept.md
+++ b/Concept.md
@@ -61,13 +61,12 @@ S: Clean Stone (must be clean stone)
 | 3 | S | S | S |
 ## Mashine Body
 I: Iron
-R: Redstone
 C: Copper
 | . | 1 | 2 | 3 |
 | -- | -- | -- | -- |
-| 1 | I | R | I |
+| 1 | I | I | I |
 | 2 | I | C | I |
-| 3 | I | R | I |
+| 3 | I | I | I |
 ## pressure body
 PI: Pressed Iron
 T: Fuel Tank
@@ -175,10 +174,11 @@ it has a coal slot for heat, a slot for water and a slot for Barley to malt
 ### Crafting recipy
 MB: mashinebody
 HE: heatingelement
+HB: heatingbody
 | . | 1 | 2 | 3 |
 | -- | -- | -- | -- |
-| 1 | MB | MB | MB |
-| 2 | MB |    | MB |
+| 1 | MB | HB | MB |
+| 2 | HB |    | HB |
 | 3 | MB | HE | MB |
 
 ### output: 
@@ -236,6 +236,17 @@ it can also be used to make pressed iron for other items
 
 requires 150rf/t 
 
+### Crafting recipy
+MB: mashinebody
+PB: heatingelement
+I: Iron
+P: Piston
+| . | 1 | 2 | 3 |
+| -- | -- | -- | -- |
+| 1 | MB | P | MB |
+| 2 | I |    | I |
+| 3 | MB | I | MB |
+
 ### output
 - 2 iron -> 1 pressed iron 200 rf/t
 - apple -> 100mB apple juice 100 rf/t