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