{TAIL ~ The dispenser beacon} may be provided with a buzzer , which is triggered by {HEAD ~ a successful transaction} with the care giver 
{ TAIL ~ The dispenser beacon } may be provided with a buzzer , which is triggered by { HEAD ~ a successful transaction } with the care giver
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH