The glass flow tube is made from {TAIL ~ mandrel drawn glass} to ensure {HEAD ~ high accuracy}, which allows interchangeability from flowmeter to flowmeter with no change in accuracy 
The glass flow tube is made from { TAIL ~ mandrel drawn glass } to ensure { HEAD ~ high accuracy } , which allows interchangeability from flowmeter to flowmeter with no change in accuracy
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH