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Opus! Thanks for the feedback.
Humm.... let me try to make it short~
The chemicals was abbreviated as tBuOK
We used to view it as "tBuO-" and "K+"
But one of the student took that as "tBu" and "OK" as two things, and this is the funniest part of this story XDD

Ah I see haha. Humour of Chinese huh.