@Override
    public boolean isItemValidForSlot(int i, ItemStack itemstack)
    {
        return (i == 0 && TilePowderAggregator.getItemBurnTime(tileEnt.inventory[i]) > 0);
    }

    @Override
    public int[] getAccessibleSlotsFromSide(int var1)
    {
        if (var1 == 0 || var1 > 1)
            return new int[] { 0 };
        else
            return new int[] { 1};
    }