{TAIL ~ The liquid level} of the bioreactor 17 can be monitored by a liquid level {HEAD ~ indicator} 18 which is in fluid communication with the bioreactor 17 
{ TAIL ~ The liquid level } of the bioreactor 17 can be monitored by a liquid level { HEAD ~ indicator } 18 which is in fluid communication with the bioreactor 17
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH