import me.modforgery.tesla.item.CopperIngot;

  public static Item copper_ingot;
  
    copper_ingot = new CopperIngot();
    
    GameRegistry.registerItem(copper_ingot, "copper_ingot");

@@ -25,27 +25,17 @@
 la.item.
-CopperIngot
+*
 ;%0A%0A  pub
@@ -64,16 +64,48 @@
 _ingot;%0A
+  public static Item tin_ingot;%0A
   %0A    c
@@ -137,16 +137,108 @@
 ngot();%0A
+    tin_ingot = new TinIngot();%0A    %0A    GameRegistry.registerItem(conductor, %22Conductor%22);%0A
     %0A   
@@ -291,12 +291,72 @@
 er_ingot%22);%0A
+    %0A    GameRegistry.registerItem(tin_ingot, %22tin_ingot%22);%0A

Update TeslaItems.java