diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index f60a2a6771..7629b67a88 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -141,6 +141,7 @@ public class Blocks{
     //units - erekir
     tankFabricator, shipFabricator, mechFabricator,
 
+    //TODO names
     basicReconstructor,
     advancedReconstructor,
 
diff --git a/core/src/mindustry/entities/part/DrawPart.java b/core/src/mindustry/entities/part/DrawPart.java
index af16cdb6df..8a939ef197 100644
--- a/core/src/mindustry/entities/part/DrawPart.java
+++ b/core/src/mindustry/entities/part/DrawPart.java
@@ -87,7 +87,6 @@ public abstract class DrawPart{
             return p -> Mathf.slope(get(p));
         }
 
-
         default PartProgress clamp(){
             return p -> Mathf.clamp(get(p));
         }
diff --git a/core/src/mindustry/mod/ContentParser.java b/core/src/mindustry/mod/ContentParser.java
index 29e1234cb5..678b7dab66 100644
--- a/core/src/mindustry/mod/ContentParser.java
+++ b/core/src/mindustry/mod/ContentParser.java
@@ -180,8 +180,10 @@ public class ContentParser{
             //I have to hard-code this, no easy way of getting parameter names, unfortunately
             return switch(op){
                 case "inv" -> base.inv();
+                case "slope" -> base.slope();
                 case "clamp" -> base.clamp();
                 case "delay" -> base.delay(data.getFloat("amount"));
+                case "sustain" -> base.sustain(data.getFloat("offset", 0f), data.getFloat("grow", 0f), data.getFloat("sustain"));
                 case "shorten" -> base.shorten(data.getFloat("amount"));
                 case "add" -> base.add(data.getFloat("amount"));
                 case "blend" -> base.blend(parser.readValue(PartProgress.class, data.get("other")), data.getFloat("amount"));