When {HEAD ~ a vehicle battery} does not have sufficient charge to start an engine, {TAIL ~ the driver} uses a jumper cable connected between a cigar lighter in the vehicle and the power output socket to charge the battery 
When { HEAD ~ a vehicle battery } does not have sufficient charge to start an engine , { TAIL ~ the driver } uses a jumper cable connected between a cigar lighter in the vehicle and the power output socket to charge the battery
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