Ok guys, I know this is kind of a dopey question, but here goes. I noticed two of the pre-atomizers on my zeniths were sort of "mushed" at the top. I figured the PO bashed them up somehow. Then I noticed on ebay a set of zeniths with exactly the same thing, but with four of the atomizers. Here's the pic:
So my question is this: what causes this deformation? Physical abuse? Carb fire? (they almost look melted), act of God?