A vibration generator is positioned on each of one or more container walls to introduce vibrations with {HEAD ~ a selected frequency} through {TAIL ~ the container wall} and into the chemical bath liquid 
A vibration generator is positioned on each of one or more container walls to introduce vibrations with { HEAD ~ a selected frequency } through { TAIL ~ the container wall } and into the chemical bath liquid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH