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