diff --git a/src/main/java/resonantinduction/api/events/LaserEvent.java b/src/main/java/resonantinduction/api/events/LaserEvent.java
index 87482999..b9915db3 100644
--- a/src/main/java/resonantinduction/api/events/LaserEvent.java
+++ b/src/main/java/resonantinduction/api/events/LaserEvent.java
@@ -20,7 +20,7 @@ import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.event.Cancelable;
 import net.minecraftforge.event.Event;
 import universalelectricity.api.vector.Vector3;
-import calclavia.lib.utility.WorldUtility;
+import calclavia.lib.utility.inventory.InventoryUtility;
 
 /**
  * An event triggered by entities or tiles that create lasers
@@ -266,7 +266,7 @@ public class LaserEvent extends Event
 					items = event.items;
 					for (ItemStack stack : items)
 					{
-						WorldUtility.dropItemStack(world, vec.translate(0.5), stack, false);
+						InventoryUtility.dropItemStack(world, vec.translate(0.5), stack);
 					}
 				}
 			}
diff --git a/src/main/java/resonantinduction/archaic/engineering/ItemHammer.java b/src/main/java/resonantinduction/archaic/engineering/ItemHammer.java
index 86cd90ff..075f19cb 100644
--- a/src/main/java/resonantinduction/archaic/engineering/ItemHammer.java
+++ b/src/main/java/resonantinduction/archaic/engineering/ItemHammer.java
@@ -8,6 +8,7 @@ import net.minecraftforge.oredict.OreDictionary;
 import resonantinduction.api.recipe.MachineRecipes;
 import resonantinduction.api.recipe.MachineRecipes.RecipeType;
 import resonantinduction.api.recipe.RecipeUtils.Resource;
+import resonantinduction.core.Reference;
 import resonantinduction.core.prefab.item.ItemRI;
 import universalelectricity.api.vector.Vector3;
 import calclavia.lib.utility.inventory.InventoryUtility;
@@ -54,6 +55,7 @@ public class ItemHammer extends ItemRI
 						}
 					}
 
+					world.playSoundEffect(x + 0.5, y + 0.5, z + 0.5, Reference.PREFIX + "hammer", 0.5f, 0.8f + (0.2f * world.rand.nextFloat()));
 					player.addExhaustion(1);
 					stack.damageItem(1, player);
 				}
diff --git a/src/main/java/resonantinduction/core/SoundHandler.java b/src/main/java/resonantinduction/core/SoundHandler.java
index 8a40bb2b..263b1b87 100644
--- a/src/main/java/resonantinduction/core/SoundHandler.java
+++ b/src/main/java/resonantinduction/core/SoundHandler.java
@@ -17,7 +17,7 @@ public class SoundHandler
 {
 	public static final SoundHandler INSTANCE = new SoundHandler();
 
-	public static final String[] SOUND_FILES = { "grinder1.ogg", "grinder2.ogg", "grinder3.ogg", "grinder4.ogg", "electricshock1.ogg", "electricshock2.ogg", "electricshock3.ogg", "electricshock4.ogg", "electricshock5.ogg", "electricshock6.ogg", "electricshock7.ogg" };
+	public static final String[] SOUND_FILES = { "hammer.ogg", "grinder1.ogg", "grinder2.ogg", "grinder3.ogg", "grinder4.ogg", "electricshock1.ogg", "electricshock2.ogg", "electricshock3.ogg", "electricshock4.ogg", "electricshock5.ogg", "electricshock6.ogg", "electricshock7.ogg" };
 
 	@ForgeSubscribe
 	public void loadSoundEvents(SoundLoadEvent event)
diff --git a/src/main/java/resonantinduction/electrical/armbot/TileArmbot.java b/src/main/java/resonantinduction/electrical/armbot/TileArmbot.java
index be2d2894..02855c3b 100644
--- a/src/main/java/resonantinduction/electrical/armbot/TileArmbot.java
+++ b/src/main/java/resonantinduction/electrical/armbot/TileArmbot.java
@@ -26,7 +26,7 @@ import calclavia.lib.network.IPacketReceiverWithID;
 import calclavia.lib.network.PacketHandler;
 import calclavia.lib.prefab.tile.TileElectrical;
 import calclavia.lib.utility.MathUtility;
-import calclavia.lib.utility.WorldUtility;
+import calclavia.lib.utility.inventory.InventoryUtility;
 
 import com.builtbroken.common.Pair;
 import com.google.common.io.ByteArrayDataInput;
@@ -365,7 +365,7 @@ public class TileArmbot extends TileElectrical implements IMultiBlock, IArmbot,
 			if (this.getHeldObject() instanceof ItemStack)
 			{
 				Vector3 handPosition = this.getHandPos();
-				WorldUtility.dropItemStack(worldObj, handPosition, (ItemStack) this.getHeldObject(), false);
+				InventoryUtility.dropItemStack(worldObj, handPosition, (ItemStack) this.getHeldObject());
 			}
 			this.grabbedObject = null;
 			this.sendGrabItemToClient();
diff --git a/src/main/java/resonantinduction/mechanical/fluid/tank/BlockTank.java b/src/main/java/resonantinduction/mechanical/fluid/tank/BlockTank.java
index 5cfdfc24..e0f0d5bf 100644
--- a/src/main/java/resonantinduction/mechanical/fluid/tank/BlockTank.java
+++ b/src/main/java/resonantinduction/mechanical/fluid/tank/BlockTank.java
@@ -16,7 +16,7 @@ import resonantinduction.mechanical.fluid.pipe.ItemBlockFluidContainer;
 import resonantinduction.mechanical.fluid.prefab.BlockFluidNetwork;
 import universalelectricity.api.vector.Vector3;
 import calclavia.lib.utility.FluidUtility;
-import calclavia.lib.utility.WorldUtility;
+import calclavia.lib.utility.inventory.InventoryUtility;
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
 
@@ -132,7 +132,7 @@ public class BlockTank extends BlockFluidNetwork
 				}
 				else
 				{
-					WorldUtility.dropItemStack(world, new Vector3(x, y, z), dropStack, false);
+					InventoryUtility.dropItemStack(world, new Vector3(x, y, z), dropStack);
 				}
 				world.setBlockToAir(x, y, z);
 			}
diff --git a/src/main/resources/assets/resonantinduction/sound/hammer.ogg b/src/main/resources/assets/resonantinduction/sound/hammer.ogg
new file mode 100644
index 00000000..01e00b90
Binary files /dev/null and b/src/main/resources/assets/resonantinduction/sound/hammer.ogg differ