diff --git a/src/Generics/HardGeneric.java b/src/Generics/HardGeneric.java
index 2f36800..3259073 100644
--- a/src/Generics/HardGeneric.java
+++ b/src/Generics/HardGeneric.java
@@ -7,44 +7,39 @@ import src.Entities.EntityAirplane;
 import java.util.Random;
 
 public class HardGeneric <T extends EntityAirplane,U extends IDraw>{
-    T[] arrFirst;
-    U[] arrSecond;
-
+    T[] arrAirplanes;
+    U[] arrIlluminators;
     private int curSz;
     private int CountFirst;
     private int CountSecond;
-
     private int pictureBoxWidth;
-
     private int pictureBoxHeight;
-
     public HardGeneric(int countFirst, int countSecond, int width, int height){
         curSz = 0;
         CountFirst = countFirst;
         CountSecond = countSecond;
-        arrFirst = (T[]) new EntityAirplane[CountFirst];
-        arrSecond = (U[]) new IDraw[CountSecond];
+        arrAirplanes = (T[]) new EntityAirplane[CountFirst];
+        arrIlluminators = (U[]) new IDraw[CountSecond];
         pictureBoxHeight = height;
         pictureBoxWidth = width;
     }
 
-    public int InsertFirst(T entityMonorail){
-        if(arrFirst[CountFirst-1] != null)
+    public int InsertFirst(T entityAirplane){
+        if(arrAirplanes[CountFirst-1] != null)
             return -1;
         for(int i = curSz -1; i>= 0; i--) {
-            arrFirst[i + 1] = arrFirst[i];
-            arrSecond[i + 1] = arrSecond[i];
+            arrAirplanes[i + 1] = arrAirplanes[i];
+            arrIlluminators[i + 1] = arrIlluminators[i];
         }
         curSz++;
-        arrFirst[0] = entityMonorail;
-
+        arrAirplanes[0] = entityAirplane;
         return 0;
     }
 
     public int InsertSecond(U inter){
-        if(arrSecond[CountSecond-1] != null)
+        if(arrIlluminators[CountSecond-1] != null)
             return -1;
-        arrSecond[0] = inter;
+        arrIlluminators[0] = inter;
         return 0;
     }
 
@@ -52,8 +47,8 @@ public class HardGeneric <T extends EntityAirplane,U extends IDraw>{
         Random rand = new Random();
         int indFirst = rand.nextInt(0, curSz);
         int indSecond = rand.nextInt(0,curSz);
-        EntityAirplane entity = arrFirst[indFirst];
-        IDraw inter = arrSecond[indSecond];
+        EntityAirplane entity = arrAirplanes[indFirst];
+        IDraw inter = arrIlluminators[indSecond];
         DrawningAirplane airplane = new DrawningAirplane(entity.Speed(), entity.Weight(), entity.BodyColor(),
                  pictureBoxWidth, pictureBoxHeight);
         return airplane;
diff --git a/src/Main.java b/src/Main.java
index 74fcc09..aaa6d6c 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -14,7 +14,6 @@ import javax.swing.*;
 
 public class Main {
     public static void main(String[] args) throws IOException {
-        FormAirplaneCollection form =new FormAirplaneCollection();
-        //FormForHard form = new FormForHard();
+        FormForHard form = new FormForHard();
     }
 }
\ No newline at end of file