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