To add to the long list of issues with the piece, "volatile" generally means ability to evaporate, not explode or ignite.
Also, trying to remember from when I was a kid, but I don't recall primers ever exploding, but more of a firework-like "woosh". (Correct me if I'm mis-recalling here.)
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I have never seen a baggage handler just ‘set’ a bag down have you?