I'm guessing it could probably depend on this.With everybody guessing, I'll say that for sure it HAS to do with the fact that they're almost identical inside?
Z
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I'm guessing it could probably depend on this.With everybody guessing, I'll say that for sure it HAS to do with the fact that they're almost identical inside?
Z
http://www.xray-mag.com/pdfs/articles/Tech_WorldRecord_26.pdf
Apeks XTX100 regulators used on this World Record 330m dive