The men of the railroad and of the mine stopped in dazed bewilderment: they found that in all the complexity of their equipment, among the drills, the motors, the derricks, the delicate gauges, the ponderous floodlights beating down into the pits and ridges of a mountain-there was no wire to mend the crane.
There are no more uses of "ponderous" in the book.
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The findings were presented in a ponderous three-volume report.
We’ve been working through the ponderous regulatory approval process for the last two years.