{TAIL ~ The apparatus} may include a liquid sensor component moveably coupled to {HEAD ~ a cam member} and a barrel device biased to move linearly responsive to rotatable movement of the cam member 
{ TAIL ~ The apparatus } may include a liquid sensor component moveably coupled to { HEAD ~ a cam member } and a barrel device biased to move linearly responsive to rotatable movement of the cam member
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH