C1943 The Navy's Bloody Flag

Xiao Letian's face became more and more gloomy. In the telescope's field of vision, the chimneys of the France's Battleship began to emit black smoke, which meant that they were increasing the amount of coal they could use and also increasing the power of the blowers. If the Coal's combustion was insufficient, it would naturally produce more black smoke.

The thick smoke got thicker and thicker