Rubble-making stuff

This crossword clue is for the definition: Rubble-making stuff.
it’s A 19 letters crossword puzzle definition.
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Possible Answers: TNT.

Last seen on: LA Times Crossword 14 Feb 2018, Wednesday

Random information on the term “TNT”:

Amatex is a military explosive consisting of 51% ammonium nitrate, 40% TNT, and 9% RDX.

TNT on Wikipedia