Electrical contacts may be disposed within {HEAD ~ the non orthogonal slots}, thereby improving {TAIL ~ both the function} and aesthetic appearance of the battery pack 
improving
Electrical contacts may be disposed within { HEAD ~ the non orthogonal slots } , thereby improving { TAIL ~ both the function } and aesthetic appearance of the battery pack
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH