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