In a regeneration system connected to the etching machine {HEAD ~ the etching agent} is on the one hand set to {TAIL ~ the correct pH value} with ammonia gas and on the other hand diluted with the neutral mixture resulting from the washing process 
In a regeneration system connected to the etching machine { HEAD ~ the etching agent } is on the one hand set to { TAIL ~ the correct pH value } with ammonia gas and on the other hand diluted with the neutral mixture resulting from the washing process
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH