{HEAD ~ The second plate} has {TAIL ~ an outwardly extending indicating plate} with a pair of spaced pins, and an indicating strip for measuring the height of liquid collected in the compartment 
has
{ HEAD ~ The second plate } has { TAIL ~ an outwardly extending indicating plate } with a pair of spaced pins , and an indicating strip for measuring the height of liquid collected in the compartment
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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 OTH OTH OTH