public boolean hasLeft() {

		TileEntity te;
		boolean s = false;
		for(ForgeDirection facing : ForgeDirection.VALID_DIRECTIONS) {

		te = this.worldObj.getTileEntity(this.xCoord + facing.offsetX + facing.offsetY + facing.offsetZ, this.yCoord, this.zCoord);

			if(te instanceof TileEntityShelve) s=true;break;
		}

		if(s) return true;
		else return false;
	}