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The most direct precursors of the nitrogens of UMP are:
Trumpet
A brass musical instrument with a flared bell and a bright, penetrating tone, played by blowing into a small mouthpiece.
Topic Sentence
A sentence that expresses the main idea of a paragraph, often positioned at the beginning.
Pyrotechnics
Pyrotechnics refers to the science and art of creating firework displays and other related pyrotechnic effects used in performances and celebrations.
Gunpowder
A chemical mixture used in the past as a propellant in firearms and fireworks, consisting mainly of saltpeter, charcoal, and sulfur.
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