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