The apparatus may include a liquid sensor component moveably coupled to a cam member and a piercing pin configured to engage {HEAD ~ a fluid container}, responsive to {TAIL ~ rotatable movement} of the cam member 
The apparatus may include a liquid sensor component moveably coupled to a cam member and a piercing pin configured to engage { HEAD ~ a fluid container } , responsive to { TAIL ~ rotatable movement } of the cam member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH