Assertion: polymer bonded explosive | /r/Synonym | semtex h.
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text: In that incident, the plane was brought down by an electronic device containing a relatively small amount of plasticized explosive known as Semtex H. Since that time, the threats have become quite diverse in both their chemical and physical forms, and IMS-based ETDs have done extremely well in keeping pace with the ever-growing list of threats, including the new homemade explosives, or HMEs.