On Thu, 4 Apr 2019 09:40:44 -0400, Yuan-chia Joyce Koo <[log in to unmask]> wrote:

>does your vendor got small plating tank that not suitable for your
>large panel? (insufficient stir or agitation?)
>just curious. (i know it kills the cat)
>jk

I visited there, and the panels are fully immersed,
but I got the impression that the plating is not even from one side to the other, (or from top to bottom maybe) 
so they flip it and plate again.
I didn't know if this was common practice for pattern plating.