Essentially, {TAIL ~ the battery} 30, as configured, doubles as tool for {HEAD ~ removal} of the cover 20 
Essentially , { TAIL ~ the battery } 30 , as configured , doubles as tool for { HEAD ~ removal } of the cover 20
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH