Now, with the audience's full attention, the Royal Engineer resumed his speech. "Gentleponies, what you've just witnessed is a fraction of the power of a combustion engine, a detailed explanation for which is available in my book, 'Science and Industry.' Engines like the one in this carriage can enable three ponies here to do the work of a whole platoon, and the applications extend well beyond military matters. Machines can improve transportation within and between cities, allow boats to make speed even in calm winds, pump water from mines, refrigerate perishables, even power lights, and so much more."