Given the task definition and input, reply with output. Given a scientific passage and an answer, generate a question for the given answer.

Passage: Amines serve a wide variety of uses. Diphenylamine acts as a stabilizer for certain types of explosives. Amines are found as components in some lubricating materials, in developers, and are a part of waterproofing textiles. Some amines, such as novocaine, are used as anesthetics. Many pharmaceutical compounds contain amines, including 8 of the 10 most prescribed medications in 2012. Answer: explosives
Diphenylamine acts as a stabilizer for certain types of what?