constructor protected->public

core/src/mindustry/world/blocks/distribution/Conveyor.java

@@ -32,7 +32,7 @@ public class Conveyor extends Block implements Autotiler{
     public float speed = 0f;
     public float displayedSpeed = 0f;
 
-    protected Conveyor(String name){
+    public Conveyor(String name){
         super(name);
         rotate = true;
         update = true;