In Part 1, the firemen's destruction of the woman's house is described with metaphorical language and characterized by situational irony.
Next thing they were up in musty blackness swinging silver hatchets at doors that were, after all, unlocked, tumbling through like boys all rollick and shout. “Hey!” A fountain of books sprang down upon Montag as he climbed shuddering up the sheer stairwell. How inconvenient! Always before it had been like snuffing a candle.
In Part 3, when Guy realizes the fire truck has stopped in front of his house, his wife runs out into a taxi in an ironic moment.
Unlock with LitCharts A+She shoved the valise in the waiting beetle, climbed in, and sat mumbling, “Poor family, poor family, oh everything gone, everything, everything gone now. . . .”