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.